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YS/T 556.10-2011: Methods for chemical analysis of antimony concentrates. Part 10: Determination of copper content. Flame atomic absorption spectrometric method
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| YS/T 556.10-2011 | English | 159 |
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Methods for chemical analysis of antimony concentrates. Part 10: Determination of copper content. Flame atomic absorption spectrometric method
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YS/T 556.10-2011
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Basic data | Standard ID | YS/T 556.10-2011 (YS/T556.10-2011) | | Description (Translated English) | Methods for chemical analysis of antimony concentrates. Part 10: Determination of copper content. Flame atomic absorption spectrometric method | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | D42 | | Classification of International Standard | 73.060 | | Word Count Estimation | 6,658 | | Date of Issue | 2011-12-20 | | Date of Implementation | 2012-07-01 | | Regulation (derived from) | ?MIIT Announcement 2011 No.43 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the method for the determination of copper content of antimony concentrates. This standard applies to the determination of the amount of copper, antimony concentrates. Measurement range: 0. 0020% to 0. 10%. | YS/T 556.10-2011: Methods for chemical analysis of antimony concentrates. Part 10: Determination of copper content. Flame atomic absorption spectrometric method
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Methods for chemical analysis of antimony concentrates.Part 10. Determination of copper content.Flame atomic absorption spectrometric method
ICS 73.060
D42
People's Republic of China Nonferrous Metals Industry Standard
Methods for chemical analysis of antimony concentrates
Part 10. Determination of copper content
Flame Atomic Absorption Spectrometry
Part 10. Determinationofcoppercontent-
Issued on. 2011-12-20
2012-07-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard is in accordance with GB/T 1.1-2009 given rules drafted.
YS/T 556 "Methods for chemical analysis of antimony concentrate," a total of 16 parts.
--- Part 1. Determination of antimony content cerium sulfate titration;
--- Part 2. Determination of arsenic content potassium bromate titration;
--- Part 3. Determination of lead content by flame atomic absorption spectrometry;
--- Part 4. Wet water storage Gravimetric method;
--- Part 5. Determination of zinc content - Flame atomic absorption spectrometry;
--- Part 6. Determination of the amount of selenium by hydride generation - atomic fluorescence spectrometry;
--- Part 7. Determination of the amount of mercury atomic fluorescence spectrometry;
--- Part 8. Determination of sulfur content - Combustion neutralization method;
--- Part 9. Determination of the amount of gold fire assay;
--- Part 10. Determination of copper content - Flame atomic absorption spectrometry;
--- Part 11. Determination of cadmium content by flame atomic absorption spectrometry;
--- Part 12. Determination of bismuth content by flame atomic absorption spectrometry;
--- Part 13. Determination of nickel content by flame atomic absorption spectrometry;
--- Part 14. Determination of the amount of silver by flame atomic absorption spectrometry;
--- Part 16. lead, zinc, copper, cadmium, nickel content - Inductively coupled plasma atomic emission spectrometry.
This section section 10.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is responsible for drafting unit. tin mine Twinkling Star Antimony Industry Co., Ltd., Beijing General Research Institute of Mining and Metallurgy.
This section is drafted. Beijing General Research Institute of Mining and Metallurgy.
Participated in the drafting of this section. Tin Mine Twinkling Star Antimony Industry Co., Ltd., Guangzhou Nonferrous Metal Research Institute, Hunan Nonferrous Metal Research Institute.
The main drafters of this section. Tangshu Fang, Liu Chunfeng, Li Min, Cuide Hai, Dai Fengying, Song should ball, Mai Libi, Pang Wenlin.
Methods for chemical analysis of antimony concentrates
Part 10. Determination of copper content
Flame Atomic Absorption Spectrometry
1 Scope
This section YS/T 556 specifies the method for determination of copper content of antimony concentrate.
This section applies to the determination of antimony concentrate copper content. Determination of the range of 0.0020 to 0.10%.
2 Method summary
Samples with hydrochloric acid, nitric acid dissolved, except hydrobromic volatile antimony in hydrochloric acid (119) medium, using air - acetylene flame atomic absorption
On a take-spectrometer wavelength 324.7nm measured absorbance of copper.
3 Reagents
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity.
3.1 ammonium hydrogen fluoride.
3.2 hydrochloric acid (ρ = 1.19g/mL).
3.3 nitric acid (ρ = 1.42g/mL).
3.4 hydrobromide (ρ = 1.38g/mL).
3.5 perchloric acid (ρ = 1.68g/mL).
3.6 hydrochloride (11).
3.7 nitric acid (11).
3.8 copper standard stock solution. Weigh 1.0000g copper (wCu≥99.99%) in 250mL beaker, add 40mL of nitric acid
(3.7), dissolved by heating, boiling rid of nitrogen oxides, remove the cooled to room temperature and transferred to 1000mL volumetric flask, dilute to the mark with water, mix
uniform. This copper-containing solution 1mL 1mg.
3.9 Copper Standard Solution. Pipette 25.00mL copper standard stock solution (3.8) in 500mL volumetric flask, was added 20mL of hydrochloric acid (3.6),
Dilute with water to volume, and mix. This solution 1mL copper 50μg.
4 Instrument
Atomic absorption spectrometer, with copper hollow cathode lamp.
Under optimum working conditions for those who can reach the following indicators can be used.
--- Characteristic concentration. the test solution and measurement matrix consistent solution features copper concentration should not exceed 0.03μg/mL.
--- Linear curve. The curve is divided into five sections according to concentration, absorbance difference between the highest and the lowest section of the absorbance difference between segments
Ratio of not less than 0.85.
--- Precision. measure 10 times the absorbance of the highest concentration of the standard solution, the standard deviation should not exceed 1% of the average absorbance; with
The lowest concentration standard solution (not a "zero" standard solution) absorbance measured 10 times, and the standard deviation should not exceed the standard maximum concentration
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