CN107462543A - A kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry - Google Patents
A kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry Download PDFInfo
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- CN107462543A CN107462543A CN201710930117.3A CN201710930117A CN107462543A CN 107462543 A CN107462543 A CN 107462543A CN 201710930117 A CN201710930117 A CN 201710930117A CN 107462543 A CN107462543 A CN 107462543A
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000010949 copper Substances 0.000 title claims abstract description 45
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 38
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 11
- 238000001228 spectrum Methods 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 238000012937 correction Methods 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 230000031709 bromination Effects 0.000 claims description 5
- 238000005893 bromination reaction Methods 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 9
- 239000011707 mineral Substances 0.000 abstract description 9
- 230000008676 import Effects 0.000 abstract description 8
- 239000002893 slag Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000002835 absorbance Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical compound [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 229940000489 arsenate Drugs 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 2
- 235000010894 Artemisia argyi Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000722270 Regulus Species 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- TZQIZKZKKVJWMJ-UHFFFAOYSA-N [Cu].[Cu].[P] Chemical compound [Cu].[Cu].[P] TZQIZKZKKVJWMJ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 244000030166 artemisia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003181 co-melting Methods 0.000 description 1
- OYAAZCVQGCRSJL-UHFFFAOYSA-N copper vanadium zinc Chemical compound [V][Zn][Cu] OYAAZCVQGCRSJL-UHFFFAOYSA-N 0.000 description 1
- HYXXTUOWDIJLPS-UHFFFAOYSA-N copper;sulfane Chemical compound S.[Cu+2] HYXXTUOWDIJLPS-UHFFFAOYSA-N 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 229910001612 cyanotrichite Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- 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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- 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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
- G01N2021/3572—Preparation of samples, e.g. salt matrices
Landscapes
- Physics & Mathematics (AREA)
- 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to ore detection technique field, and in particular to a kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry, comprises the following steps：S1. the testing sample of 0.5 ~ 1 parts by weight and the potassium bromide powder of 140 ~ 460 parts by weight are taken, is ground to sample particle less than 2.5 μm, and be well mixed；S2. mixed testing sample is subjected to compressing tablet process, is then placed in infrared spectrometer and is detected, obtain spectrogram；S3. spectrogram is subjected to baseline correction, smooth, mark peak analysis, then sample spectrogram is retrieved in spectrum library and binding compounds characteristic absorption peak primarily determines that main compound in sample.The present invention provides a kind of detection method of copper mine and copper-contained material, and import copper mine and copper-contained material are identified using an equipment, especially belong to the elementary step in mineral products field, infrared identification technology is applied in available metallurgical slag.
Description
Technical field
The present invention relates to ore detection technique field, and in particular to one kind is based on infra-red sepectrometry detection copper mine and copper-containing substance
The detection method of material.
Background technology
In recent years, with the implementation of the Belt and Road, it is continuously increased from mineral products species, the quantity of the import of Xinjiang port,
Often with " copper matte regulus ", (the co-melting body of the sulfide of nonferrous heavy metal sulfide and iron is referred to as molten the Control Measure at Alataw Port of western bridgehead
Sulfonium, it is the important intermediate of the sulfide concentrate pyrometallurgical smelting of the metals such as copper, nickel.The sulfonium obtained during Copper making is referred to as copper
Sulfonium, practise and claim matte) the primary of copper of state of nominal import Kazakhstan production smelt or rough machined clinker mineral or smelting
Slag, copper content is higher the characteristics of the commodity, reaches the raw material of Copper making, thus some Imported business melting waste slag with the trade name
Claim declaration for import, or even the situation for thering is false to conceal the name of an article, to reach the purpose for the tariff that speeds passage through customs, reduces.Through preliminary search,
The inspection on such " copper-contained material ", authentication method standard, pertinent literature report be not less yet both at home and abroad.Sci-tech novelty-search report
Accuse retrieval conclusion:The country seen " X fluorescence spectrometer " measure " Chinese mugwort Sa Bingtong " and " sintering deposit " in Partial Elements document report,
Have no any Research Literature report that copper-contained material is identified it using large scale equipment.
Because import can be had differences using copper-contained material with general Copper Ores or copper concentrate, at the same with general mineral products
Melting waste slag is different, only can not differentiate, distinguish from the height of each essential element content, therefore, import be studied and defined at port
The quick inspection of mineral products, authentication method, its main component is quickly determined, and find out it should to belong to classification extremely urgent, it is necessary
When special picture library is established for copper-contained material, identification to approximate material from now on provides foundation.
Had determined that in addition, the quantitative analysis method of existing copper-contained material and copper concentrate can only be directed in the commodity of the name of an article
Each element carries out content analysis.For the authentication method application X fluorescence spectrometer and X-ray diffractometer two of copper mine and copper-contained material
Kind equipment is used in conjunction and could differentiated, part Experiment room cannot carry out appraisal when only having a wherein equipment.
Import copper mine and copper-contained material are identified merely with an equipment therefore, the present invention provides one kind, extension is red
External spectrum instrument identification field application, especially belong to the elementary step in mineral products field.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind based on infra-red sepectrometry detection copper mine and to contain
The detection method of copper material, import copper mine and copper-contained material are identified using an equipment, especially belonged in mineral products field
In the elementary step, infrared identification technology is set to be applied in available metallurgical slag.
The purpose of the present invention is achieved through the following technical solutions：
A kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry, is comprised the following steps：
S1. the testing sample of 0.5~1 parts by weight and the potassium bromide powder of 140~460 parts by weight are taken, is ground to sample
Grain is less than 2.5 μm, and is well mixed；
S2. mixed testing sample is subjected to compressing tablet process, is then placed in infrared spectrometer and is detected, composed
Figure；The testing conditions of the infrared spectrometer are part：Using blank kbr tablet as background, number of sample scan 32, resolution ratio
For 4.00cm, laser frequency 15798cm-1, detector is DTGS KBr, and index glass speed is 0.6329, diaphragm 100.00, detection
Scope 4000cm-1~400cm-1；
S3. spectrogram is subjected to baseline correction, smooth, mark peak analysis, then sample spectrogram is retrieved and tied in spectrum library
Polymerisable compounds characteristic absorption peak primarily determines that main compound in sample.
Further, in the step S1, using ten a ten thousandth balances weigh 0.5~1mg testing sample and 140~
460mg potassium bromide powder is ground.Because sample size is very few spectral absorbance can be caused too low；Sample size excessively occurs
Some bands of a spectrum hypersorptions；Bromination potassium application rate is very few, and the piece pressed out is frangible；Bromination potassium application rate is excessive, can cause the piece pressed out
It is opaque；Therefore it is preferred that using 1mg testing sample and 150mg potassium bromide powder, when testing sample is highly polar group, adopt
With 0.5mg testing sample and 150mg potassium bromide powder.
Further, in the step S1, sample was ground to 200~300 mesh sieves.Due in detection process, when
When particle is more than optical wavelength, it may occur that scattering, mixture grinding it is not thin enough, easily there is light and dissipated in high-end in middle infrared spectrum
Phenomenon is penetrated, raises spectrum high band baseline, therefore it is preferred that used the testing sample mixture of 200~300 mesh sieves.
Further, in the step S2, the tabletting is that testing sample is pushed into 50~70s in 7.5~8.5t pressure,
Extrude transparent or semitransparent ingot piece.
Further, the detailed process of the tabletting is：With the small flat chisel of stainless steel by ground testing sample mixture
It is transferred completely into compression mold, and is paved mixture with small flat chisel, can be also paved into middle slightly higher mound shape and so use finger
The face rotary tablet compression mould of strength one depression bar, on the one hand slightly downward pressure make mixture smooth, then in 7.5~8.5t
Pressure pushes 50~70s, extrudes transparent or semitransparent ingot piece.During actually detected, the pressure of application is higher, extrudes
The ingot sector-meeting come is more transparent, but applies hypertonia, is easily damaged compression mold and tablet press machine；Compression mold is from tablet press machine
On take off after, it should the ingot piece pressed is rushed out on tablet press machine with the subsidiary opening cylinder of compression mold, so gone out
The ingot piece come is not easy fragmentation；The piece pressed should be put into infrared spectrometer and detect as early as possible, otherwise the water in ingot piece absorption air
The absworption peak of water can be introduced, particularly the weak sample of some absorbances, the sample spectrogram influence of the absworption peak of water is very big；Such as can not
The piece pressed is put into drier by detection in time preserves.
The beneficial effects of the invention are as follows：It is provided by the invention a kind of copper mine and copper-contained material to be detected based on infra-red sepectrometry
Detection method, by analyzing the expert's conclusion of copper-contained material application infra-red sepectrometry, the existence form of each element exists in raw ore
More single in infrared spectrum, the compound substantially without complexity is present；But the copper-contained material after smelting, the presence shape of each element
Formula is more complicated, diversified, and the normal pictures after being scanned by infrared spectrometer with spectrum library compare, and each element is with different shapes
Formula is present in copper-contained material, and suitable for inspection and quarantine, customs and research institutions are to copper mine and the thick refining of copper or clinker mineral
Discriminatory analysis.
Brief description of the drawings
Fig. 1 is test example copper mine mark thing GBW07169 of the present invention detection spectrogram；
Fig. 2 is test example copper mine mark thing ZBK335 of the present invention detection spectrogram；
Fig. 3 is test example copper mine mark thing ZBK336 of the present invention detection spectrogram；
Fig. 4 is test example copper mine 7# of the present invention detection spectrogram；
Fig. 5 is test example copper mine 6# of the present invention detection spectrogram；
Fig. 6 is test example copper mine 10# of the present invention detection spectrogram；
Fig. 7 is test example copper-contained material 1# of the present invention detection spectrogram；
Fig. 8 is test example copper-contained material 0-2# of the present invention detection spectrogram；
Fig. 9 is test example copper-contained material 2518# of the present invention detection spectrogram.
Embodiment
Technical scheme, but the protection of the present invention are described in further detail with reference to specific embodiments and the drawings
Scope is not limited to as described below.
Embodiment
A kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry, is comprised the following steps：
S1. the testing sample of 0.5~1 parts by weight and the potassium bromide powder of 140~460 parts by weight are taken, is ground to sample
Grain is less than 2.5 μm, and is well mixed；
S2. mixed testing sample is subjected to compressing tablet process, is then placed in infrared spectrometer and is detected, composed
Figure；The testing conditions of the infrared spectrometer are part：Using blank kbr tablet as background, number of sample scan 32, resolution ratio
For 4.00cm, laser frequency 15798cm-1, detector is DTGS KBr, and index glass speed is 0.6329, diaphragm 100.00, detection
Scope 4000cm-1~400cm-1；
S3. spectrogram is subjected to baseline correction, smooth, mark peak analysis, then sample spectrogram is retrieved and tied in spectrum library
Polymerisable compounds characteristic absorption peak primarily determines that main compound in sample.
In a preferred embodiment, in the step S1, the to be measured of 0.5~1mg is weighed using ten a ten thousandth balances
The potassium bromide powder of sample and 140~460mg is ground.Because sample size is very few spectral absorbance can be caused too low；Sample
Some bands of a spectrum hypersorptions excessively occur in amount；Bromination potassium application rate is very few, and the piece pressed out is frangible；Bromination potassium application rate is excessive, can make
It is opaque into the piece pressed out；Therefore it is preferred that using 1mg testing sample and 150mg potassium bromide powder, it is strong in testing sample
During polarity group, using 0.5mg testing sample and 150mg potassium bromide powder.
In a preferred embodiment, in the step S1, sample was ground to 200~300 mesh sieves.Due to detecting
During, when particle is more than optical wavelength, it may occur that scattering, mixture is ground not thin enough, in the high-end appearance of middle infrared spectrum
Easily there is light scattering phenomenon, raise spectrum high band baseline, therefore it is preferred that used the testing sample of 200~300 mesh sieves to mix
Thing.
In a preferred embodiment, in the step S2, the tabletting be by testing sample under 7.5~8.5t pressure
50~70s is pressed, extrudes transparent or semitransparent ingot piece.
In a preferred embodiment, the detailed process of the tabletting is：Will be ground to be measured with the small flat chisel of stainless steel
Sample mixture is transferred completely into compression mold, and is paved mixture with small flat chisel, can also be paved into middle slightly higher mound
Shape so uses the depression bar of the face rotary tablet compression mould of strength one of finger, and on the one hand slightly downward pressure makes mixture smooth, then
50~70s is pushed in 7.5~8.5t pressure, extrudes transparent or semitransparent ingot piece.During actually detected, the pressure of application
Higher, the ingot sector-meeting pressed out is more transparent, but applies hypertonia, is easily damaged compression mold and tablet press machine；Tabletting
After mould is taken off from tablet press machine, it should gone out the ingot piece pressed on tablet press machine with the subsidiary opening cylinder of compression mold
Come, the ingot piece so rushed out is not easy fragmentation；The piece pressed should be put into infrared spectrometer and detect as early as possible, and otherwise ingot piece absorbs
Water in air can introduce the absworption peak of water, particularly the weak sample of some absorbances, and the sample spectrogram of the absworption peak of water influences
It is very big；The piece that will be pressed can not be such as detected in time be put into drier preserve.
Test example
Copper mine standard substance, copper mine sample and copper-contained material application infra-red sepectrometry are examined using above-mentioned detection method
Survey, its infrared figure such as Fig. 5-22, testing result such as table one：
The infra-red sepectrometry testing result summary sheet of table one
Analyzed by above-mentioned qualification result, the form of copper is mainly contained by infrared spectrometer copper mine and copper mine mark thing
Exist in the form of chrysocolla, beaverite, faustite, zinc-copper vanadium, cyanotrichite, phosphor-copper copper mine, cupric oxide etc., part copper contains
Measure relatively low can not determine its existence form in infrared spectrometer.Copper is primarily present form alkali formula carbon in copper-contained material
Arsenate in sour copper, intermediate portions sample be present, arsenate mainly produces in the process such as melting waste slag, dyestuff waste liquid
, the arsenic element existence form of arsenate is substantially not present in natural minerals.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change does not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (5)
1. a kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry, it is characterised in that comprise the following steps：
S1. the testing sample of 0.5 ~ 1 parts by weight and the potassium bromide powder of 140 ~ 460 parts by weight are taken, sample particle is ground to and is less than
2.5 μm, and be well mixed；
S2. mixed testing sample is subjected to compressing tablet process, is then placed in infrared spectrometer and is detected, obtain spectrogram；
The testing conditions of the infrared spectrometer are part：Using blank kbr tablet as background, number of sample scan 32, resolution ratio is
4.00cm, laser frequency 15798cm-1, detector is DTGS KBr, and index glass speed is 0.6329, diaphragm 100.00, detects model
Enclose 4000cm-1~400cm-1；
S3. spectrogram is subjected to baseline correction, smooth, mark peak analysis, then retrieved in spectrum library sample spectrogram and combinationization
Compound characteristic absorption peak primarily determines that main compound in sample.
2. a kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry according to claim 1, it is special
Sign is, in the step S1,0.5 ~ 1mg testing sample and 140 ~ 460mg bromination are weighed using ten a ten thousandth balances
Potassium powder is ground.
3. a kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry according to claim 1, it is special
Sign is, in the step S1, sample was ground into 200 ~ 300 mesh sieves.
4. a kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry according to claim 1, it is special
Sign is, in the step S2, the tabletting is that testing sample pushed into 50 ~ 70s in 7.5 ~ 8.5t pressure, extrudes transparent or half
Transparent ingot piece.
5. a kind of detection method that copper mine and copper-contained material are detected based on infra-red sepectrometry according to claim 4, it is special
Sign is that the detailed process of the tabletting is：Ground testing sample mixture is transferred completely into the small flat chisel of stainless steel
In compression mold, and mixture is paved with small flat chisel, can also be paved into middle slightly higher mound shape so with the strength one side of finger
The depression bar of rotary tablet compression mould, on the one hand slightly downward pressure make mixture smooth, then push 50 in 7.5 ~ 8.5t pressure ~
70s, extrude transparent or semitransparent ingot piece.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779943A (en) * | 2019-10-23 | 2020-02-11 | 长春黄金研究院有限公司 | Identification method for dyeing natural turquoise |
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| CN106885814A (en) * | 2017-03-07 | 2017-06-23 | 阿拉山口出入境检验检疫局综合技术服务中心 | Copper mine and cupric slightly refining or the discriminating of sintered material attribute |
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