CN117805037A - Detection method of direct-reading spectrometer - Google Patents
Detection method of direct-reading spectrometer Download PDFInfo
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- CN117805037A CN117805037A CN202311809131.XA CN202311809131A CN117805037A CN 117805037 A CN117805037 A CN 117805037A CN 202311809131 A CN202311809131 A CN 202311809131A CN 117805037 A CN117805037 A CN 117805037A
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000004458 analytical method Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000011088 calibration curve Methods 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000003595 spectral effect Effects 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 230000007547 defect Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a detection method of a direct-reading spectrometer, which comprises the following steps: 1. preparing a direct-reading spectrometer on site; 2. customizing data of the direct-reading spectrometer according to the requirements, and establishing an analysis curve; 3. processing the sample to prepare a sample meeting the requirement of direct-reading spectrometer detection; 4. determining instrument parameters and setting analysis conditions of elements; 5. drawing a calibration curve by adopting a national standard sample; 6. eliminating interference and correcting a calibration curve; 7. determining a sample according to the corrected calibration curve; 8. each element of the sample is automatically identified according to the analysis curve established in the second step, and is accurately divided into each analysis stage to perform element determination; according to the method, the alloy brands are classified, then analysis curves are established according to different analysis stages according to different categories, data are stored, the problems of high detection workload and low efficiency of the aluminum alloy sample components are solved, and the accuracy is greatly improved.
Description
Technical field:
the invention relates to the technical field of analysis and detection, in particular to a detection method of a direct-reading spectrometer.
The background technology is as follows:
the direct-reading spectrometer is a rapid quantitative analysis instrument for analyzing ferrous metal and nonferrous metal components. The method has the advantages of high analysis speed, high accuracy and the like, and is used for analyzing the accurate content of various elements in the metal product. The working principle of the instrument is that electrodes are utilized to discharge a metal sample, part of metal is melted in the discharge process, atoms of different elements in the metal sample are excited to emit characteristic spectral lines with different wavelengths, and content information of the different elements can be obtained by detecting the intensity of the characteristic spectral lines. The types of aluminum alloy brands of the current me company include 2 series, 5 series, 6 series, 7 series and the like, 30 series of alloy brands are all available, the content range of each element is large, the detection workload is large, and the efficiency is low.
The invention comprises the following steps:
the technical problems to be solved by the invention are as follows: according to different analysis stages, an analysis curve is established, data are saved, and the problems of large detection workload and low efficiency of the components of the aluminum alloy sample are solved.
In order to solve the technical problems, the invention provides a technical scheme that: a detection method of a direct-reading spectrometer comprises the following steps:
step one, preparing a direct-reading spectrometer on site;
step two, customizing data of the direct-reading spectrometer according to the requirements, and establishing an analysis curve;
step three, processing the sample to prepare a sample meeting the requirement of direct-reading spectrometer detection;
determining instrument parameters and setting analysis conditions of all elements;
drawing a calibration curve by adopting a national standard sample;
step six, eliminating interference and correcting a calibration curve;
step seven, determining a sample according to the corrected calibration curve;
and step eight, automatically identifying each element of the sample according to the analysis curve established in the step two, accurately dividing the sample into each analysis stage, and measuring the element.
Further, in the first step, the process of field preparation is as follows:
1) When the full-spectrum direct-reading spectrometer reaches a use site, the full-spectrum direct-reading spectrometer is installed and electrified;
2) And starting the full spectrum direct-reading spectrometer, and waiting for the vacuum degree of the spectrometer optical chamber to reach a set value.
Further, in the second step, the process of customizing the data includes:
1) Classifying according to alloy marks;
2) In the analysis spectral line, the content of each element to be measured is divided into intervals, so that the spectral line is convenient to switch;
3) And establishing an analysis curve according to different analysis stages, and storing data.
Further, the analysis phase includes a first analysis phase and other analysis phases.
Further, in the third step, the processing procedure of the sample is as follows: the sample is prepared into a columnar sample without sand grains, metal scraps, impurities, air holes and sand hole defects on the detection surface.
In the fourth step, equipment spot inspection maintenance is performed before the test sample is detected, and whether all parameters such as the temperature of the electronic cabinet, the resistivity of the internal water cooling, the flow rate and the pressure of the external water cooling, the pipe pressure of the light pipe, the pipe flow, the vacuumizing time and the like meet the regulations or not are checked.
Further, in the sixth step, the process of correcting the calibration curve is as follows:
1) Re-setting the value of the off-line point to determine the accurate value of the sample;
2) Observing whether other defects exist on the sample detection surface;
3) Regrinding the sample detection surface;
4) The off-line caused by the self reasons of the sample is eliminated;
5) Determining a choice;
6) Correcting the correction curve.
The beneficial effects of the invention are as follows:
according to the method, the alloy brands are classified, then analysis curves are established according to different analysis stages according to different categories, data are stored, the problems of high detection workload and low efficiency of the aluminum alloy sample components are solved, and the accuracy is greatly improved.
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.
Description of the drawings:
in order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments will be briefly described, it being obvious that the drawings in the following description are only one of the inventions, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram showing a screen shot of a echelon data portion of an analytical curve during the test of the present application.
The specific embodiment is as follows:
embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the invention is susceptible of embodiment in the drawings, it is to be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the invention. It should be understood that the drawings and embodiments of the invention are for illustration purposes only and are not intended to limit the scope of the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The names of messages or information interacted between the devices in the embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of such messages or information.
Examples
As shown in fig. 1, a detection method of a direct-reading spectrometer is disclosed, which comprises the following steps:
and S1, preparing a direct-reading spectrometer on site.
And S2, customizing data of the direct-reading spectrometer according to the requirements, and establishing an analysis curve.
And S3, processing the sample to prepare a sample which meets the requirement of direct-reading spectrometer detection.
And S4, determining instrument parameters and setting analysis conditions of each element.
And S5, drawing a calibration curve by adopting a national standard sample.
And S6, eliminating interference and correcting the calibration curve.
And S7, measuring a sample according to the corrected calibration curve.
And S8, automatically identifying each element of the sample according to the analysis curve established in the second step, accurately dividing the sample into each analysis stage, and measuring the element.
In the step S1, the process of on-site preparation is as follows:
1) When the full-spectrum direct-reading spectrometer reaches a use site, the full-spectrum direct-reading spectrometer is installed and electrified; 2) And starting the full spectrum direct-reading spectrometer, and waiting for the vacuum degree of the spectrometer optical chamber to reach a set value.
In the step S2, the process of customizing data is as follows:
1) Classifying according to alloy marks; 2) In the analysis spectral line, the content of each element to be measured is divided into intervals, so that the spectral line is convenient to switch; 3) And establishing an analysis curve according to different analysis stages, and storing data.
Wherein the analysis phase comprises a first analysis phase and other analysis phases.
In the step S3, the processing procedure of the sample is as follows: the sample is prepared into a columnar sample without sand grains, metal scraps, impurities, air holes and sand hole defects on the detection surface.
In the step S4, equipment spot inspection maintenance is performed before the test sample is detected, and whether all parameters such as the temperature of the electronic cabinet, the resistivity of the internal water cooling, the flow rate and the pressure of the external water cooling, the pipe pressure and the pipe flow of the light pipe, and the vacuumizing time meet the regulations or not are checked.
In the step S6, the process of correcting the calibration curve is as follows:
1) Re-setting the value of the off-line point to determine the accurate value of the sample; 2) Observing whether other defects exist on the sample detection surface; 3) Regrinding the sample detection surface; 4) The off-line caused by the self reasons of the sample is eliminated; 5) Determining a choice; 6) Correcting the correction curve.
According to the method and the device, the element content to be measured is divided into intervals, so that spectral line switching is facilitated, the problems of large detection workload and low efficiency of the aluminum alloy sample components are solved, and the accuracy is greatly improved.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (7)
1. A detection method of a direct-reading spectrometer comprises the following steps:
step one, preparing a direct-reading spectrometer on site;
step two, customizing data of the direct-reading spectrometer according to the requirements, and establishing an analysis curve;
step three, processing the sample to prepare a sample meeting the requirement of direct-reading spectrometer detection;
determining instrument parameters and setting analysis conditions of all elements;
drawing a calibration curve by adopting a national standard sample;
step six, eliminating interference and correcting a calibration curve;
step seven, determining a sample according to the corrected calibration curve;
and step eight, automatically identifying each element of the sample according to the analysis curve established in the step two, accurately dividing the sample into each analysis stage, and measuring the element.
2. The detection method of a direct-reading spectrometer according to claim 1, wherein the detection method comprises the following steps: in the first step, the process of field preparation is as follows:
1) When the full-spectrum direct-reading spectrometer reaches a use site, the full-spectrum direct-reading spectrometer is installed and electrified;
2) And starting the full spectrum direct-reading spectrometer, and waiting for the vacuum degree of the spectrometer optical chamber to reach a set value.
3. The detection method of a direct-reading spectrometer according to claim 1, wherein the detection method comprises the following steps: in the second step, the process of customizing the data is as follows:
1) Classifying according to alloy marks;
2) In the analysis spectral line, the content of each element to be measured is divided into intervals, so that the spectral line is convenient to switch;
3) And establishing an analysis curve according to different analysis stages, and storing data.
4. The detection method of a direct-reading spectrometer according to claim 1, wherein the detection method comprises the following steps: the analysis phase includes a first analysis phase and other analysis phases.
5. The detection method of a direct-reading spectrometer according to claim 1, wherein the detection method comprises the following steps: in the third step, the sample is processed as follows: the sample is prepared into a columnar sample without sand grains, metal scraps, impurities, air holes and sand hole defects on the detection surface.
6. The detection method of a direct-reading spectrometer according to claim 1, wherein the detection method comprises the following steps: in the fourth step, equipment spot inspection maintenance is carried out before the test sample is detected, and whether all parameters such as the temperature of an electronic cabinet, the resistivity of internal water cooling, the flow rate and the pressure of external water cooling, the pipe pressure and the pipe flow of a light pipe, the vacuumizing time and the like meet the regulations or not are checked.
7. The detection method of a direct-reading spectrometer according to claim 1, wherein the detection method comprises the following steps: in the sixth step, the process of correcting the calibration curve is as follows:
1) Re-setting the value of the off-line point to determine the accurate value of the sample;
2) Observing whether other defects exist on the sample detection surface;
3) Regrinding the sample detection surface;
4) The off-line caused by the self reasons of the sample is eliminated;
5) Determining a choice;
6) Correcting the correction curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311809131.XA CN117805037A (en) | 2023-12-26 | 2023-12-26 | Detection method of direct-reading spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311809131.XA CN117805037A (en) | 2023-12-26 | 2023-12-26 | Detection method of direct-reading spectrometer |
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| Publication Number | Publication Date |
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| CN117805037A true CN117805037A (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311809131.XA Pending CN117805037A (en) | 2023-12-26 | 2023-12-26 | Detection method of direct-reading spectrometer |
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| CN (1) | CN117805037A (en) |
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- 2023-12-26 CN CN202311809131.XA patent/CN117805037A/en active Pending
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