CN116593513A - Method, system and medium for identifying complex matrix minerals based on X-ray fluorescence - Google Patents
Method, system and medium for identifying complex matrix minerals based on X-ray fluorescence Download PDFInfo
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- CN116593513A CN116593513A CN202310774594.0A CN202310774594A CN116593513A CN 116593513 A CN116593513 A CN 116593513A CN 202310774594 A CN202310774594 A CN 202310774594A CN 116593513 A CN116593513 A CN 116593513A
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- 239000011159 matrix material Substances 0.000 title claims abstract description 279
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 209
- 239000011707 mineral Substances 0.000 title claims abstract description 209
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000004876 x-ray fluorescence Methods 0.000 title claims abstract description 49
- 230000003595 spectral effect Effects 0.000 claims abstract description 186
- 239000013074 reference sample Substances 0.000 claims abstract description 138
- 239000000523 sample Substances 0.000 claims abstract description 123
- 239000000126 substance Substances 0.000 claims description 68
- 238000001228 spectrum Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002452 interceptive effect Effects 0.000 description 17
- 238000001514 detection method Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052849 andalusite Inorganic materials 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052949 galena Inorganic materials 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a method, a system and a medium for identifying complex matrix minerals based on X-ray fluorescence, wherein the method comprises the following steps: obtaining a complex matrix ore sample to be detected; analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected; analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not; if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample; and analyzing the complex matrix mineral based on the anti-interference reference sample to obtain the content information of the interference elements in the complex matrix mineral. The invention is based on the interference-to-interference principle, combines a group of minerals with typical various interference elements as the reference to manufacture a spherical polygonal prism device, eliminates other interference through a model, and ensures that the customs goods workflow is rapidly analyzed by using an X-ray fluorescence technology.
Description
Technical Field
The present application relates to the field of data processing and data transmission, and more particularly to a method, system and medium for identifying complex matrix minerals based on X-ray fluorescence.
Background
In the entry and exit inspection work, inspectors often need to detect one or more specific components in an unknown mineral sample according to commodity classification or national standard requirements. The conventional chemical analysis method is accurate, but is limited by strict sample preparation requirements and long-time physicochemical treatment processes, and cannot meet the development requirements of rapid clearance. In addition, for complex matrix minerals, interference between spectral lines is easily caused, so that erroneous judgment occurs.
The X-ray fluorescence technology is to irradiate the sample with X-rays to make the element atoms of the sample to be detected generate electron transition under the irradiation of the X-rays, and the atomic energy level structure of each element is specific, so that the energy of the X-rays emitted when the sample to be detected is also specific, which is called characteristic X-rays, the existence of the corresponding elements can be determined by measuring the energy or wavelength of the characteristic X-rays, and the intensity of the characteristic X-rays characterizes the content of the elements. However, the energy level transitions of the electrons of the atoms after absorbing the X-rays are various, which results in that the characteristic X-ray energy or wavelength released by the different energy level transitions of different atoms may be similar, which results in the problem of overlapping of spectral lines of detection spectra, such As overlapping of the Hf element lα line and the Zr element kα line in fig. 8, overlapping of the Hf element lβ line and the kα line of the Ti element in fig. 9, and overlapping of the Pb element lα line and the Hf element LG line and the As element kα line in fig. 10. Therefore, in daily monitoring, when a sample with a very complex matrix structure is detected, spectral lines are easy to interfere, the condition that spectral lines of interfering elements and elements to be detected overlap can be generated, and the method generally selects spectral lines without interference to be used as analysis lines, reasonably selects measuring instruments to improve resolution, reduces the voltage of an X-ray tube to the excitation voltage of the interfering elements, and carries out digital correction and the like. However, these methods are difficult, if not impossible, to implement in a hardware laboratory, require time and effort to meet a specific mineral, and may be misjudged by carelessness.
Therefore, the prior art has defects, and improvement is needed.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide a method, system and medium for identifying complex matrix minerals based on X-ray fluorescence, which is capable of more efficiently and rapidly completing an analysis of whether or not an unknown complex matrix mineral contains an interfering element X.
In a first aspect the invention provides a method of identifying complex matrix minerals based on X-ray fluorescence comprising:
obtaining a complex matrix ore sample to be detected;
analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected;
analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not;
if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample;
and analyzing the complex matrix mineral based on the anti-interference reference sample to obtain the content information of the interference elements in the complex matrix mineral.
In this scheme, based on wait examining complicated matrix ore sample and analyzing, obtain anti-interference benchmark sample, include:
Analyzing according to the characteristic spectral line of the complex matrix ore sample to be detected, and judging whether interference exists in the characteristic spectral line of the complex matrix ore sample to be detected;
if no interference exists, calculating the substance x to be detected to obtain content data of the substance x to be detected;
if interference exists, a spectral line L0 is obtained, and the complex matrix ore sample to be detected is marked to obtain an interference mineral;
the interference minerals are placed in a special prism device to obtain an anti-interference reference sample.
In the scheme, the content data of the substance x to be detected is obtained by calculating the substance x to be detected, and specifically comprises the following steps:
the calculation method of the content data of the substance x to be measured is expressed as follows:
cfx=k- (L-Lx-c)/L
Wherein CFx is content data of a substance x to be detected, k is a conversion factor, L is a characteristic spectral line of a preset reference sample, and Lx-c is a characteristic spectral line of the substance x to be detected.
In this scheme, still include:
obtaining complex matrix minerals;
analyzing the complex matrix mineral, and judging whether a characteristic spectral line L (X-F) exists in the complex matrix mineral;
if yes, the existence of a substance X to be detected in the complex matrix mineral is indicated;
and if not, adding the anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample.
In this scheme, after adding anti-interference reference sample to the complicated matrix mineral, still include:
analyzing the complex matrix minerals added with the anti-interference reference sample to obtain a first characteristic spectral line;
comparing the first characteristic spectral line with a preset reference sample characteristic spectral line L (standard);
if the complex matrix minerals are consistent, detecting the complex matrix minerals again;
if the spectrum lines are inconsistent, the spectrum lines of the complex matrix minerals are processed through a first preset method, and corresponding influence values are deducted.
In this scheme, the spectrum line of the complex matrix mineral is processed by a first preset method, specifically:
the first preset method is expressed as follows:
L(X-F)＝K*[L0(X-F)-L(F)]
wherein L (X-F) is a characteristic spectral line of a substance X to be detected, K is a conversion factor, L0 (X-F) is an inconsistent characteristic spectral line, and L (F) is a characteristic spectral line of an interference element F.
In a second aspect the invention provides a system for discriminating complex matrix minerals based on X-ray fluorescence comprising a memory and a processor, said memory comprising a method program for discriminating complex matrix minerals based on X-ray fluorescence, said method program for discriminating complex matrix minerals based on X-ray fluorescence when executed by said processor performing the steps of:
Obtaining a complex matrix ore sample to be detected;
analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected;
analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not;
if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample;
and analyzing the complex matrix mineral based on the anti-interference reference sample to obtain the content information of the interference elements in the complex matrix mineral.
In this scheme, based on wait examining complicated matrix ore sample and analyzing, obtain anti-interference benchmark sample, include:
analyzing according to the characteristic spectral line of the complex matrix ore sample to be detected, and judging whether interference exists in the characteristic spectral line of the complex matrix ore sample to be detected;
if no interference exists, calculating the substance x to be detected to obtain content data of the substance x to be detected;
if interference exists, a spectral line L0 is obtained, and the complex matrix ore sample to be detected is marked to obtain an interference mineral;
The interference minerals are placed in a special prism device to obtain an anti-interference reference sample.
In the scheme, the content data of the substance x to be detected is obtained by calculating the substance x to be detected, and specifically comprises the following steps:
the calculation method of the content data of the substance x to be measured is expressed as follows:
cfx=k- (L-Lx-c)/L
Wherein CFx is content data of a substance x to be detected, k is a conversion factor, L is a characteristic spectral line of a preset reference sample, and Lx-c is a characteristic spectral line of the substance x to be detected.
In this scheme, still include:
obtaining complex matrix minerals;
analyzing the complex matrix mineral, and judging whether a characteristic spectral line L (X-F) exists in the complex matrix mineral;
if yes, the existence of a substance X to be detected in the complex matrix mineral is indicated;
and if not, adding the anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample.
In this scheme, after adding anti-interference reference sample to the complicated matrix mineral, still include:
analyzing the complex matrix minerals added with the anti-interference reference sample to obtain a first characteristic spectral line;
comparing the first characteristic spectral line with a preset reference sample characteristic spectral line L (standard);
If the complex matrix minerals are consistent, detecting the complex matrix minerals again;
if the spectrum lines are inconsistent, the spectrum lines of the complex matrix minerals are processed through a first preset method, and corresponding influence values are deducted.
In this scheme, the spectrum line of the complex matrix mineral is processed by a first preset method, specifically:
the first preset method is expressed as follows:
L(X-F)＝K*[L0(X-F)-L(F)]
wherein L (X-F) is a characteristic spectral line of a substance X to be detected, K is a conversion factor, L0 (X-F) is an inconsistent characteristic spectral line, and L (F) is a characteristic spectral line of an interference element F.
A third aspect of the present invention provides a computer readable storage medium having embodied therein a method program for identifying complex matrix minerals based on X-ray fluorescence, which when executed by a processor, implements the steps of a method for identifying complex matrix minerals based on X-ray fluorescence as described in any of the above.
The invention discloses a method, a system and a medium for identifying complex matrix minerals based on X-ray fluorescence, wherein the method comprises the following steps: obtaining a complex matrix ore sample to be detected; analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected; analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not; if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample; and analyzing the complex matrix mineral based on the anti-interference reference sample to obtain the content information of the interference elements in the complex matrix mineral. The invention is based on the interference-to-interference principle, combines a group of minerals with typical various interference elements as the reference to manufacture a spherical polygonal prism device, eliminates other interference through a model, and ensures that the customs goods workflow is rapidly analyzed by using an X-ray fluorescence technology.
Drawings
FIG. 1 shows a flow chart of the method of the application for identifying complex matrix minerals based on X-ray fluorescence;
FIG. 2 shows a flow chart of a method of analyzing a sample of complex matrix ore to be inspected in accordance with the present application;
FIG. 3 shows a flow chart of a method of analyzing complex matrix minerals in accordance with the present application;
FIG. 4 shows a block diagram of a system for identifying complex matrix minerals based on X-ray fluorescence in accordance with the present application;
FIG. 5 shows an effect diagram of an anti-interference reference sample transparent prismatic device of the present application;
FIG. 6 shows an effect diagram of an anti-interference reference sample transparent prismatic device of the present application for placing a reference sample and a sample to be inspected;
FIG. 7 shows an effect diagram of an anti-interference reference sample transparent prismatic device and a rotating device of the present application;
FIG. 8 shows a detection spectrum (1) of a sample to be tested according to the application by means of X-ray fluorescence technique;
FIG. 9 shows a detection spectrum (2) of a sample to be tested obtained by an X-ray fluorescence technique according to the present application;
fig. 10 shows a detection spectrum (3) of a sample to be tested according to the application by means of an X-ray fluorescence technique.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
FIG. 1 shows a flow chart of the method of the invention for identifying complex matrix minerals based on X-ray fluorescence.
As shown in fig. 1, the present invention discloses a method for identifying complex matrix minerals based on X-ray fluorescence, comprising:
s102, obtaining a complex matrix ore sample to be detected;
s104, analyzing the complex matrix ore sample to be detected to obtain a characteristic spectral line of the complex matrix ore sample to be detected;
s106, analyzing according to the characteristic spectral lines of the complex matrix ore sample to be detected, and judging whether the characteristic spectral lines of the complex matrix ore sample to be detected have preset reference sample characteristic spectral lines or not;
s108, if the complex matrix ore sample to be detected exists, analyzing the complex matrix ore sample to be detected to obtain an anti-interference reference sample;
s110, analyzing complex matrix minerals based on the anti-interference reference sample to obtain content information of interference elements in the complex matrix minerals;
And S112, transmitting the content information of the interference elements in the complex matrix mineral to a preset terminal.
According to the embodiment of the invention, the detection of complex matrix minerals is realized through the transparent prism-shaped device of the anti-interference reference sample. One or more X-ray isolating materials are arranged in the middle of the transparent prism-shaped device of the anti-interference reference sample as shown in fig. 5; the reference samples are then placed in a polygonal prism-like device in a sequence that allows for the simultaneous placement of more than three pure reference samples (e.g., iron ore, andalusite, galena, etc., and as thin as possible, e.g., a square wing) as shown in fig. 6; the device may also be based on a rotatable device (intermediate the optical path), as shown in fig. 6.
The basic technical idea is that the system science principle is used for interference and interference resistance. Firstly, deeply knowing common element spectral lines which are easy to interfere in minerals, judging a sample test map, and simultaneously focusing on that if certain element exists, a plurality of positions and a plurality of spectral lines such as Pb are needed to exist simultaneously, two spectral lines of PbLa and PbLb l can be seen on an instrument, and if Pb element is contained, the two spectral lines have obvious peaks; if the Pb element is actually contained, the Pb element is influenced by other interference elements to cause the Pb element to be larger, so that relatively obvious peaks appear in both spectral lines.
Based on a group of minerals with typical various interference elements, a special anti-interference reference sample transparent prism-shaped device (shown in fig. 1) similar to a standard sample is formed by combining, for example, the content CF (mark) =cf (a+b+c+d+ …), and in the spectrogram, characteristic lines L (marks), namely preset reference sample characteristic lines, including L (a), L (B), L (C) and L (D) … are marked. A. B, C, D … the usual interfering elements. In order to find enough interfering elements A, B, C, D …, a plurality of different minerals FX need to be prepared in advance, if a certain interfering element is determined, the minerals are marked to obtain interfering minerals, the interfering minerals are respectively marked as FA, FB, FC, FD …, and all the marked interfering minerals are placed under a special prism device to serve as an anti-interference reference sample.
The complex matrix ore sample to be detected is a series of reference samples manufactured by using pure ore (such as pure copper, pure iron, pure aluminum and the like) as a reference sample, and is used for identifying whether an inferior complex matrix mineral contains interference elements, for example, copper and zinc exist in the anti-interference reference sample, and if the complex matrix mineral is associated ore (such as mixed zinc-copper alloy), whether the complex matrix mineral contains zinc or copper can be scientifically identified through the transparent prism-shaped device of the anti-interference reference sample.
And (3) placing the complex matrix ore sample to be detected under an X-ray fluorescence spectrometer for analysis, judging whether the complex matrix ore sample to be detected contains a characteristic spectral line Lx-c, wherein the characteristic spectral line Lx-c is the characteristic spectral line of the substance (element) X to be detected, judging whether the spectral line Lx-c has interference or not based on the characteristic spectral line of the preset reference sample, and screening the mark according to the interference condition to obtain an interference reference sample, wherein if the interference does not exist, filtering the complex matrix ore sample to be detected. Finally, the complex matrix mineral is analyzed based on the interference reference sample to determine whether an interfering element is present in the complex matrix mineral (A, B, C, D …). The preset terminal is a display terminal.
FIG. 2 shows a flow chart of a method of analyzing a sample of complex matrix ore to be inspected according to the present invention.
As shown in fig. 2, according to an embodiment of the present invention, the analysis performed on the complex matrix ore sample to be detected to obtain an anti-interference reference sample includes:
s202, analyzing according to the characteristic spectral line of the complex matrix ore sample to be detected, and judging whether interference exists in the characteristic spectral line of the complex matrix ore sample to be detected;
s204, if no interference exists, calculating the substance x to be detected to obtain content data of the substance x to be detected;
S206, if interference exists, a spectral line L0 is obtained, and the complex matrix ore sample to be detected is marked to obtain an interference mineral;
s208, placing the interference minerals in a special prism device to obtain an anti-interference reference sample.
It should be noted that, by comparing the characteristic spectral line of the complex matrix ore sample to be detected with the characteristic spectral line of the preset reference sample, it can be determined whether the characteristic spectral line portion of the substance (element) x to be detected in the characteristic spectral line of the complex matrix ore sample to be detected has interference. Wherein line L0 satisfies Lx-c=k0· (L0-L). Lx-c is a characteristic spectral line of a substance (element) x to be detected, k0 is an interference conversion factor, the interference conversion factor is obtained by taking a weighted average value through multiple experiments, and L is marked as a preset reference sample characteristic spectral line. Labeling the complex matrix ore sample to be detected to obtain interference minerals, selecting each interference mineral (FA, FB, FC, FD …) with a certain content, placing the interference minerals under a special prism device (shown in fig. 5) as an anti-interference reference sample, and respectively placing an interference mineral on each plane correspondingly.
According to the embodiment of the invention, the content data of the substance x to be detected is obtained by calculating the substance x to be detected, specifically:
The calculation method of the content data of the substance x to be measured is expressed as follows:
cfx=k- (L-Lx-c)/L
Wherein CFx is content data of a substance x to be detected, k is a conversion factor, L is a characteristic spectral line of a preset reference sample, and Lx-c is a characteristic spectral line of the substance x to be detected.
Note that k is obtained by taking a weighted average from a plurality of experiments. When the characteristic spectral line part of the substance (element) x to be detected in the characteristic spectral line of the complex matrix ore sample to be detected is not interfered, the content data of the substance x to be detected in the complex matrix ore sample to be detected can be calculated through the characteristic spectral line of the substance x to be detected and the characteristic spectral line of the preset reference sample.
FIG. 3 shows a flow chart of a method of analyzing complex matrix minerals in accordance with the present invention.
As shown in fig. 3, according to an embodiment of the present invention, further includes:
s302, obtaining complex matrix minerals;
s304, analyzing the complex matrix mineral, and judging whether a characteristic spectral line L (X-F) exists in the complex matrix mineral;
s306, if yes, indicating that the complex matrix mineral exists a substance X to be detected;
and S308, if not, adding an anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample.
In practical application, an anti-interference reference sample can be used to analyze complex matrix minerals, taking a substance X to be detected as an example, firstly, under the condition that the anti-interference reference sample is not added, detecting and analyzing the complex matrix minerals through an X-ray fluorescence spectrometer, and if the experimental result finds a characteristic spectral line L (X-F), the complex matrix minerals are indicated to exist the substance X to be detected, and the experiment is passed; and if the characteristic spectral line L (X-F) is not found, adding an anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample. Wherein the characteristic spectral line L (X-F) is the characteristic spectral line of the substance X to be detected.
According to an embodiment of the present invention, after adding the anti-interference reference sample to the complex matrix mineral, the method further includes:
analyzing the complex matrix minerals added with the anti-interference reference sample to obtain a first characteristic spectral line;
comparing the first characteristic spectral line with a preset reference sample characteristic spectral line L (standard);
if the complex matrix minerals are consistent, detecting the complex matrix minerals again;
if the spectrum lines are inconsistent, the spectrum lines of the complex matrix minerals are processed through a first preset method, and corresponding influence values are deducted.
The first characteristic spectral line is a characteristic spectral line obtained by detecting after adding an anti-interference reference sample to a complex matrix mineral, and is represented by L (X) and L0 (X-F) in the scheme. After an anti-interference reference sample is added into the complex matrix mineral, continuing to detect and analyze the complex matrix mineral added with the anti-interference reference sample through an X-ray fluorescence spectrometer, and if L (X) is found to be consistent with the characteristic spectral line L (standard) of the previous standard sample, indicating that the spectral line of the complex matrix X test is possibly interfered, and detecting the complex matrix mineral added with the anti-interference reference sample again; if the L (X) is inconsistent with the characteristic spectral line L (standard) of the previous standard sample, for example, the obtained characteristic spectral line is L0 (X-F), the corresponding influence value is deducted through a first preset method. Wherein, L0 (X-F) is a characteristic spectral line inconsistent with L (standard) after the anti-interference reference sample is added. The first preset method is to calculate through a conversion factor K, inconsistent characteristic spectral lines L0 (X-F) and characteristic spectral lines L (F) of the added interference reference sample, so that influence values of the added interference reference sample are subtracted, and the characteristic spectral lines L (X-F) of the substance X to be detected are obtained, and therefore analysis of whether the unknown mineral of the complex matrix contains the substance X to be detected or not is completed.
According to an embodiment of the present invention, further comprising:
acquiring the detection times of complex matrix minerals;
judging whether the detection times of the complex matrix minerals are larger than a first preset threshold value or not;
if yes, sending reminding information to a preset terminal;
if not, no processing is performed.
It should be noted that, the first preset threshold value is 3 times, the user can adjust according to the requirement, and when the first characteristic spectral line is consistent with the preset reference sample characteristic spectral line L (standard), the spectral line for explaining the complex matrix X test may be interfered, and the experimental result is in doubt. The condition that receives the interference may be influenced by experimental operation, so when the first characteristic spectral line is detected to be consistent with the characteristic spectral line L (standard) of the preset reference sample, the complex matrix mineral added with the anti-interference reference sample is analyzed again, when the detection times exceed a first preset threshold value, the experimental result is doubtful, accurate judgment cannot be performed, and therefore reminding information is sent to a preset terminal which is a display terminal.
According to the embodiment of the invention, the spectral line of the complex matrix mineral is processed by a first preset method, specifically:
the first preset method is expressed as follows:
L(X-F)＝K*[L0(X-F)-L(F)]
Wherein L (X-F) is a characteristic spectral line of a substance X to be detected, K is a conversion factor, L0 (X-F) is an inconsistent characteristic spectral line, and L (F) is a characteristic spectral line of an anti-interference reference sample.
It should be noted that K is a conversion factor, and the value of K is obtained by taking an average value through multiple experiments. As shown in the formula, in the case where the interference reference sample is added and L (X) becomes L0 (X-F), a difference calculation can be performed by calculating L0 (X-F) and the characteristic line L (F) of the added interference reference sample, and multiplying the obtained difference by a conversion factor K, thereby obtaining the characteristic line L (X-F) of the interference element X in the complex matrix mineral.
Fig. 4 shows a block diagram of the system of the invention for identifying complex matrix minerals based on X-ray fluorescence.
As shown in fig. 4, a second aspect of the present invention provides a system 4 for identifying complex matrix minerals based on X-ray fluorescence, comprising a memory 41 and a processor 42, the memory comprising a method program for identifying complex matrix minerals based on X-ray fluorescence, the method program for identifying complex matrix minerals based on X-ray fluorescence when executed by the processor performing the steps of:
obtaining a complex matrix ore sample to be detected;
analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected;
Analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not;
if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample;
analyzing complex matrix minerals based on the anti-interference reference sample to obtain content information of interference elements in the complex matrix minerals;
and sending the content information of the interference elements in the complex matrix mineral to a preset terminal.
According to the embodiment of the invention, the detection of complex matrix minerals is realized through the transparent prism-shaped device of the anti-interference reference sample. One or more X-ray isolating materials are arranged in the middle of the transparent prism-shaped device of the anti-interference reference sample as shown in fig. 5; the reference samples are then placed in a polygonal prism-like device in a sequence that allows for the simultaneous placement of more than three pure reference samples (e.g., iron ore, andalusite, galena, etc., and as thin as possible, e.g., a square wing) as shown in fig. 6; the device may also be based on a rotatable device (intermediate the optical path), as shown in fig. 6.
The basic technical idea is that the system science principle is used for interference and interference resistance. Firstly, deeply knowing common element spectral lines which are easy to interfere in minerals, judging a sample test map, and simultaneously focusing on that if certain element exists, a plurality of positions and a plurality of spectral lines such as Pb are needed to exist simultaneously, two spectral lines of PbLa and PbLb l can be seen on an instrument, and if Pb element is contained, the two spectral lines have obvious peaks; if the Pb element is actually contained, the Pb element is influenced by other interference elements to cause the Pb element to be larger, so that relatively obvious peaks appear in both spectral lines.
Based on a group of minerals with typical various interference elements, a special anti-interference reference sample transparent prism-shaped device (shown in fig. 1) similar to a standard sample is formed by combining, for example, the content CF (mark) =cf (a+b+c+d+ …), and in the spectrogram, characteristic lines L (marks), namely preset reference sample characteristic lines, including L (a), L (B), L (C) and L (D) … are marked. A. B, C, D … the usual interfering elements. In order to find enough interfering elements A, B, C, D …, a plurality of different minerals FX need to be prepared in advance, if a certain interfering element is determined, the minerals are marked to obtain interfering minerals, the interfering minerals are respectively marked as FA, FB, FC, FD …, and all the marked interfering minerals are placed under a special prism device to serve as an anti-interference reference sample.
The complex matrix ore sample to be detected is a series of reference samples manufactured by using pure ore (such as pure copper, pure iron, pure aluminum and the like) as a reference sample, and is used for identifying whether an inferior complex matrix mineral contains interference elements, for example, copper and zinc exist in the anti-interference reference sample, and if the complex matrix mineral is associated ore (such as mixed zinc-copper alloy), whether the complex matrix mineral contains zinc or copper can be scientifically identified through the transparent prism-shaped device of the anti-interference reference sample.
And (3) placing the complex matrix ore sample to be detected under an X-ray fluorescence spectrometer for analysis, judging whether the complex matrix ore sample to be detected contains a characteristic spectral line Lx-c, wherein the characteristic spectral line Lx-c is the characteristic spectral line of the substance (element) X to be detected, judging whether the spectral line Lx-c has interference or not based on the characteristic spectral line of the preset reference sample, and screening the mark according to the interference condition to obtain an interference reference sample, wherein if the interference does not exist, filtering the complex matrix ore sample to be detected. Finally, the complex matrix mineral is analyzed based on the interference reference sample to determine whether an interfering element is present in the complex matrix mineral (A, B, C, D …). The preset terminal is a display terminal.
According to an embodiment of the present invention, the analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample includes:
Analyzing according to the characteristic spectral line of the complex matrix ore sample to be detected, and judging whether interference exists in the characteristic spectral line of the complex matrix ore sample to be detected;
if no interference exists, calculating the substance x to be detected to obtain content data of the substance x to be detected;
if interference exists, a spectral line L0 is obtained, and the complex matrix ore sample to be detected is marked to obtain an interference mineral;
the interference minerals are placed in a special prism device to obtain an anti-interference reference sample.
It should be noted that, by comparing the characteristic spectral line of the complex matrix ore sample to be detected with the characteristic spectral line of the preset reference sample, it can be determined whether the characteristic spectral line portion of the substance (element) x to be detected in the characteristic spectral line of the complex matrix ore sample to be detected has interference. Wherein line L0 satisfies Lx-c=k0· (L0-L). Lx-c is a characteristic spectral line of a substance (element) x to be detected, k0 is an interference conversion factor, the interference conversion factor is obtained by taking a weighted average value through multiple experiments, and L is marked as a preset reference sample characteristic spectral line. Labeling the complex matrix ore sample to be detected to obtain interference minerals, selecting each interference mineral (FA, FB, FC, FD …) with a certain content, placing the interference minerals under a special prism device (shown in fig. 5) as an anti-interference reference sample, and respectively placing an interference mineral on each plane correspondingly.
According to the embodiment of the invention, the content data of the substance x to be detected is obtained by calculating the substance x to be detected, specifically:
the calculation method of the content data of the substance x to be measured is expressed as follows:
cfx=k- (L-Lx-c)/L
Wherein CFx is content data of a substance x to be detected, k is a conversion factor, L is a characteristic spectral line of a preset reference sample, and Lx-c is a characteristic spectral line of the substance x to be detected.
Note that k is obtained by taking a weighted average from a plurality of experiments. When the characteristic spectral line part of the substance (element) x to be detected in the characteristic spectral line of the complex matrix ore sample to be detected is not interfered, the content data of the substance x to be detected in the complex matrix ore sample to be detected can be calculated through the characteristic spectral line of the substance x to be detected and the characteristic spectral line of the preset reference sample.
According to an embodiment of the present invention, further comprising:
obtaining complex matrix minerals;
analyzing the complex matrix mineral, and judging whether a characteristic spectral line L (X-F) exists in the complex matrix mineral;
if yes, the existence of a substance X to be detected in the complex matrix mineral is indicated;
and if not, adding the anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample.
In practical application, an anti-interference reference sample can be used to analyze complex matrix minerals, taking a substance X to be detected as an example, firstly, under the condition that the anti-interference reference sample is not added, detecting and analyzing the complex matrix minerals through an X-ray fluorescence spectrometer, and if the experimental result finds a characteristic spectral line L (X-F), the complex matrix minerals are indicated to exist the substance X to be detected, and the experiment is passed; and if the characteristic spectral line L (X-F) is not found, adding an anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample. Wherein the characteristic spectral line L (X-F) is the characteristic spectral line of the substance X to be detected.
According to an embodiment of the present invention, after adding the anti-interference reference sample to the complex matrix mineral, the method further includes:
analyzing the complex matrix minerals added with the anti-interference reference sample to obtain a first characteristic spectral line;
comparing the first characteristic spectral line with a preset reference sample characteristic spectral line L (standard);
if the complex matrix minerals are consistent, detecting the complex matrix minerals again;
if the spectrum lines are inconsistent, the spectrum lines of the complex matrix minerals are processed through a first preset method, and corresponding influence values are deducted.
The first characteristic spectral line is a characteristic spectral line obtained by detecting after adding an anti-interference reference sample to a complex matrix mineral, and is represented by L (X) and L0 (X-F) in the scheme. After an anti-interference reference sample is added into the complex matrix mineral, continuing to detect and analyze the complex matrix mineral added with the anti-interference reference sample through an X-ray fluorescence spectrometer, and if L (X) is found to be consistent with the characteristic spectral line L (standard) of the previous standard sample, indicating that the spectral line of the complex matrix X test is possibly interfered, and detecting the complex matrix mineral added with the anti-interference reference sample again; if the L (X) is inconsistent with the characteristic spectral line L (standard) of the previous standard sample, for example, the obtained characteristic spectral line is L0 (X-F), the corresponding influence value is deducted through a first preset method. Wherein, L0 (X-F) is a characteristic spectral line inconsistent with L (standard) after the anti-interference reference sample is added. The first preset method is to calculate through a conversion factor K, inconsistent characteristic spectral lines L0 (X-F) and characteristic spectral lines L (F) of the added interference reference sample, so that influence values of the added interference reference sample are subtracted, and the characteristic spectral lines L (X-F) of the substance X to be detected are obtained, and therefore analysis of whether the unknown mineral of the complex matrix contains the substance X to be detected or not is completed.
According to an embodiment of the present invention, further comprising:
acquiring the detection times of complex matrix minerals;
judging whether the detection times of the complex matrix minerals are larger than a first preset threshold value or not;
if yes, sending reminding information to a preset terminal;
if not, no processing is performed.
It should be noted that, the first preset threshold value is 3 times, the user can adjust according to the requirement, and when the first characteristic spectral line is consistent with the preset reference sample characteristic spectral line L (standard), the spectral line for explaining the complex matrix X test may be interfered, and the experimental result is in doubt. The condition that receives the interference may be influenced by experimental operation, so when the first characteristic spectral line is detected to be consistent with the characteristic spectral line L (standard) of the preset reference sample, the complex matrix mineral added with the anti-interference reference sample is analyzed again, when the detection times exceed a first preset threshold value, the experimental result is doubtful, accurate judgment cannot be performed, and therefore reminding information is sent to a preset terminal which is a display terminal.
According to the embodiment of the invention, the spectral line of the complex matrix mineral is processed by a first preset method, specifically:
the first preset method is expressed as follows:
L(X-F)＝K*[L0(X-F)-L(F)]
Wherein L (X-F) is a characteristic spectral line of a substance X to be detected, K is a conversion factor, L0 (X-F) is an inconsistent characteristic spectral line, and L (F) is a characteristic spectral line of an anti-interference reference sample.
It should be noted that K is a conversion factor, and the value of K is obtained by taking an average value through multiple experiments. As shown in the formula, in the case where the interference reference sample is added and L (X) becomes L0 (X-F), a difference calculation can be performed by calculating L0 (X-F) and the characteristic line L (F) of the added interference reference sample, and multiplying the obtained difference by a conversion factor K, thereby obtaining the characteristic line L (X-F) of the interference element X in the complex matrix mineral.
A third aspect of the present invention provides a computer readable storage medium having embodied therein a method program for identifying complex matrix minerals based on X-ray fluorescence, which when executed by a processor, implements the steps of a method for identifying complex matrix minerals based on X-ray fluorescence as described in any of the above.
The invention discloses a method, a system and a medium for identifying complex matrix minerals based on X-ray fluorescence, wherein the method comprises the following steps: obtaining a complex matrix ore sample to be detected; analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected; analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not; if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample; and analyzing the complex matrix mineral based on the anti-interference reference sample to obtain the content information of the interference elements in the complex matrix mineral. The invention is based on the interference-to-interference principle, combines a group of minerals with typical various interference elements as the reference to manufacture a spherical polygonal prism device, eliminates other interference through a model, and ensures that the customs goods workflow is rapidly analyzed by using an X-ray fluorescence technology.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units; can be located in one place or distributed to a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, where the program, when executed, performs steps including the above method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-only memory (ROM), a random access memory (RAM, randomAccessMemory), a magnetic disk or an optical disk, or the like, which can store program codes.
Alternatively, the above-described integrated units of the present invention may be stored in a computer-readable storage medium if implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in essence or a part contributing to the prior art in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, ROM, RAM, magnetic or optical disk, or other medium capable of storing program code.
Claims (10)
1. A method for identifying complex matrix minerals based on X-ray fluorescence, comprising:
obtaining a complex matrix ore sample to be detected;
analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected;
analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not;
if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample;
and analyzing the complex matrix mineral based on the anti-interference reference sample to obtain the content information of the interference elements in the complex matrix mineral.
2. The method for identifying complex matrix minerals based on X-ray fluorescence according to claim 1, wherein said analyzing based on said complex matrix mineral sample to be detected to obtain an anti-interference reference sample comprises:
analyzing according to the characteristic spectral line of the complex matrix ore sample to be detected, and judging whether interference exists in the characteristic spectral line of the complex matrix ore sample to be detected;
if no interference exists, calculating the substance x to be detected to obtain content data of the substance x to be detected;
If interference exists, a spectral line L0 is obtained, and the complex matrix ore sample to be detected is marked to obtain an interference mineral;
the interference minerals are placed in a special prism device to obtain an anti-interference reference sample.
3. The method for identifying complex matrix minerals based on X-ray fluorescence according to claim 2, wherein the content data of the substance X to be detected is obtained by calculating the substance X to be detected, specifically:
the calculation method of the content data of the substance x to be measured is expressed as follows:
cfx=k- (L-Lx-c)/L
Wherein CFx is content data of a substance x to be detected, k is a conversion factor, L is a characteristic spectral line of a preset reference sample, and Lx-c is a characteristic spectral line of the substance x to be detected.
4. The method for identifying complex matrix minerals based on X-ray fluorescence of claim 1, further comprising:
obtaining complex matrix minerals;
analyzing the complex matrix mineral, and judging whether a characteristic spectral line L (X-F) exists in the complex matrix mineral;
if yes, the existence of a substance X to be detected in the complex matrix mineral is indicated;
and if not, adding the anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample.
5. The method of identifying complex matrix minerals based on X-ray fluorescence of claim 4, further comprising, after adding an anti-interference reference sample to the complex matrix minerals:
analyzing the complex matrix minerals added with the anti-interference reference sample to obtain a first characteristic spectral line;
comparing the first characteristic spectral line with a preset reference sample characteristic spectral line L (standard);
if the complex matrix minerals are consistent, detecting the complex matrix minerals again;
if the spectrum lines are inconsistent, the spectrum lines of the complex matrix minerals are processed through a first preset method, and corresponding influence values are deducted.
6. The method for identifying complex matrix minerals based on X-ray fluorescence according to claim 5, characterized in that said processing of spectral lines of said complex matrix minerals by a first preset method is in particular:
the first preset method is expressed as follows:
L(X-F)＝K*[L0(X-F)-L(F)]
wherein L (X-F) is a characteristic spectral line of a substance X to be detected, K is a conversion factor, L0 (X-F) is an inconsistent characteristic spectral line, and L (F) is a characteristic spectral line of an interference element F.
7. A system for identifying complex matrix minerals based on X-ray fluorescence, comprising a memory and a processor, wherein the memory comprises a method program for identifying complex matrix minerals based on X-ray fluorescence, and the method program for identifying complex matrix minerals based on X-ray fluorescence realizes the following steps when executed by the processor:
Obtaining a complex matrix ore sample to be detected;
analyzing the complex matrix ore sample to be detected to obtain characteristic spectral lines of the complex matrix ore sample to be detected;
analyzing according to the characteristic spectral lines of the to-be-detected complex matrix ore sample, and judging whether the characteristic spectral lines of the to-be-detected complex matrix ore sample have preset reference sample characteristic spectral lines or not;
if the complex matrix ore sample exists, analyzing based on the complex matrix ore sample to be detected to obtain an anti-interference reference sample;
and analyzing the complex matrix mineral based on the anti-interference reference sample to obtain the content information of the interference elements in the complex matrix mineral.
8. The system for identifying complex matrix minerals based on X-ray fluorescence of claim 7, further comprising:
obtaining complex matrix minerals;
analyzing the complex matrix mineral, and judging whether a characteristic spectral line L (X-F) exists in the complex matrix mineral;
if yes, the existence of a substance X to be detected in the complex matrix mineral is indicated;
and if not, adding the anti-interference reference sample into the complex matrix mineral to obtain the complex matrix mineral added with the anti-interference reference sample.
9. The system for identifying complex matrix minerals based on X-ray fluorescence of claim 7, further comprising, after adding an anti-interference reference sample to the complex matrix mineral:
Analyzing the complex matrix minerals added with the anti-interference reference sample to obtain a first characteristic spectral line;
comparing the first characteristic spectral line with a preset reference sample characteristic spectral line L (standard);
if the complex matrix minerals are consistent, detecting the complex matrix minerals again;
if the spectrum lines are inconsistent, the spectrum lines of the complex matrix minerals are processed through a first preset method, and corresponding influence values are deducted.
10. A computer readable storage medium, characterized in that it comprises therein a method program for identifying complex matrix minerals based on X-ray fluorescence, which method program, when executed by a processor, implements the steps of the method for identifying complex matrix minerals based on X-ray fluorescence according to any one of claims 1 to 6.
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