YS/T 556.6-2009 English PDF

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YS/T 556.6-2009: Methods for chemical analysis of antimony concentrates. Part 6: Determination of selenium content. Hydride generation-atomic fluorescence spectrometric method
Status: Valid

YS/T 556.6: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 556.6-2009	139	Add to Cart	3 days	Methods for chemical analysis of antimony concentrates. Part 6: Determination of selenium content. Hydride generation-atomic fluorescence spectrometric method	Valid
YS/T 556.6-2006	199	Add to Cart	2 days	Antimony concentrates. Determination of selenium content	Obsolete

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Basic data

Standard ID: YS/T 556.6-2009 (YS/T556.6-2009)
Description (Translated English): Methods for chemical analysis of antimony concentrates. Part 6: Determination of selenium content. Hydride generation-atomic fluorescence spectrometric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: D42
Classification of International Standard: 73.060
Word Count Estimation: 5,569
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 556.6-2006
Regulation (derived from): MIIT [2009] No. 66
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies: antimony concentrates selenium standard applies to the determination of the antimony concentrates selenium measured. Measurement range: 0. 0003% to 0. 050 %.

YS/T 556.6-2009: Methods for chemical analysis of antimony concentrates. Part 6: Determination of selenium content. Hydride generation-atomic fluorescence spectrometric method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Methods for chemical analysis of antimony concentrates.Part 6. Determination of selenium content.Hydride generation-atomic fluorescence spectrometric method ICS 73.060 D42 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 556.6-2006 Methods for chemical analysis of antimony concentrates Part 6. Determination of the amount of selenium Hydride Generation - Atomic Fluorescence Spectrometry Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 556-2009 "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 15. antimony, tin measured by hydride generation - atomic fluorescence spectrometry; --- Part 16. Determination of antimony metal content by inductively coupled plasma emission spectrometry. This section YS/T 556 Part 6. "Antimony concentrates - Determination of selenium content" in this section instead of YS/T 556.6-2006 (formerly GB/T 15080.6-1994). Compared with YS/T 556.6-2006, this part of the following changes. --- 3.3'- diaminobenzidine spectrophotometry to hydride generation - atomic fluorescence spectrometry; --- Increasing the precision and quality assurance and control provisions. The non-ferrous metal part by the National Standardization Technical Committee and 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 was drafted by the tin mining flash-antimony industry limited liability company. Participated in the drafting of this section. Beijing Mining Research Institute, Hunan Exit Inspection and Quarantine. The main drafters of this section. Wu Donghua, Song should ball, Mao Xiaohong, Yuan Yuxia, Yang Wanbiao, Li Shusen, Chenxin Huan. This part of the standard replaces the previous editions are. --- GB/T 15080.6-1994; --- YS/T 556.6-2006. Methods for chemical analysis of antimony concentrates Part 6. Determination of the amount of selenium Hydride Generation - Atomic Fluorescence Spectrometry

1 Scope

This section YS/T 556 specifies the method for determination of selenium content in antimony concentrate. This section applies to the determination of antimony concentrates selenium content. Measurement range. 0.0003% to 0.050%.

2 Method summary

Sample was dissolved in aqua regia, plus masking matrix of antimony tartrate, the hydride generator, selenium and potassium borohydride hydride generation, imported by argon Quartz furnace atomizer, the fluorescence intensity was measured selenium at the atomic fluorescence spectrometer.

3 Reagents and materials

Unless otherwise indicated, the reagents used in this section refer to water and analytical grade and third grade water. 3.1 potassium borohydride. 3.2 hydrochloride (ρ1.19g/mL). Nitrate 3.3 (ρ1.42g/mL). 3.4 aqua regia (when used with now). 3.5 HCl (1 + 1). 3.6 Sodium hydroxide solution (100g/L). 3.7 solution of potassium borohydride (15g/L). Weigh 7.5g potassium borohydride (3.1), add 25mL of sodium hydroxide solution (3.6), dissolve completely, add water volume to 500mL. time cost Now equipped. 3.8 tartaric acid solution (200g/L). 3.9 standard solution. 3.9.1 selenium standard stock solution Weigh 0.1000g pure selenium (Se≥99.99%) in 100mL beaker, add 5mL nitric acid (3.3), was dissolved by heating on a boiling water bath And evaporated to dryness, cooled, dissolved in water clear, transferred to 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL selenium 100μg. 3.9.2 selenium standard solution Pipette 1.00mL selenium standard stock solution (3.9.1) in 100mL volumetric flask, dilute with water to volume, and mix. This solution 1mL Se 1μg. 3.9.3 selenium standard solution Pipette 10.00mL selenium standard solution (3.9.2) in 100mL volumetric flask, dilute with water to volume, and mix. This solution containing 1mL Selenium 0.1μg. 3.10 material. Argon (≥99.99%).

4 Instrument

Atomic fluorescence spectrometer, with a special selenium hollow cathode lamp. ......

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