YS/T 556.12-2011 English PDF

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YS/T 556.12-2011: Methods for chemical analysis of antimony concentrates. Part 12: Determination of bismuth content. Flame atomic absorption spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 556.12-2011	189	Add to Cart	3 days	Methods for chemical analysis of antimony concentrates. Part 12: Determination of bismuth content. Flame atomic absorption spectrometric method	Valid

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Basic data

Standard ID: YS/T 556.12-2011 (YS/T556.12-2011)
Description (Translated English): Methods for chemical analysis of antimony concentrates. Part 12: Determination of bismuth 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: 7,793
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 determination of the amount of bismuth antimony concentrate. This standard applies to the determination of the amount of bismuth antimony concentrates. Measurement range: 0. 0010% to 0. 050%.

YS/T 556.12-2011: Methods for chemical analysis of antimony concentrates. Part 12: Determination of bismuth content. Flame atomic absorption 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 12. Determination of bismuth 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 12. Determination of bismuth content Flame Atomic Absorption Spectrometry Part 12. Determinationofbismuthcontent- 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 section 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 is Part 12. 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. Tin Mine flash-antimony industry limited liability company. Participated in the drafting of this section. Beijing Mining Research Institute, Hunan Chenzhou Mining Co., Hechi Guangxi Nonferrous Metals Group Xin Smelting Co., Ltd. China. The main drafters of this section. Song should ball, Cuide Hai, Yaoxing Na, Chen Geng Temple, Wanghao Ying, Li Jin, Zhang Branch, Lu Zhen overflow. Methods for chemical analysis of antimony concentrates Part 12. Determination of bismuth content Flame Atomic Absorption Spectrometry

1 Scope

This section YS/T 556 specifies the method for determination of the amount of bismuth antimony concentrate. This section applies to the determination of the amount of bismuth antimony concentrate. Determination range of 0.0010% to 0.050%.

2 Method summary

Sample was dissolved in aqua regia, in a sulfuric acid medium, proper temperature control, addition of hydrochloric acid - volatile hydrobromide except antimony in hydrochloric acid medium, in atom Absorption Spectrometer measured at a wavelength of 223.1nm bismuth absorbance.

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 hydrochloric acid (ρ = 1.19g/mL). 3.2 nitric acid (ρ = 1.42g/mL). 3.3 sulfate (ρ = 1.84g/mL). 3.4 hydrobromide (ρ = 1.48g/mL). 3.5 hydrochloride (11). 3.6 nitric acid (11). 3.7 nitric acid (19). 3.8 sulfate (11). 3.9 hydrochloric acid - hydrogen bromide. an equal volume of hydrochloric acid (3.1) and hydrobromic acid (3.4) mixed preparation. 3.10 standard solution 3.10.1 bismuth standard stock solution Weigh 1.0000g bismuth (wBi≥99.99%) in 250mL beaker, add 20mL of nitric acid (3.6), cover the surface of the dish, micro Thermal dissolution clear, with nitric acid (3.7) and Beibi dish washing surface cooling. Moved into 1000mL volumetric flask, dilute to the mark with nitric acid (3.7) Degree, and mix. This solution 1mL bismuth-containing 1mg. 3.10.2 bismuth standard solution Pipette standards 50.00mL bismuth stock solution (3.10.1) in 500mL volumetric flask, was added 50mL of hydrochloric acid (3.1), diluted with water To the mark, and mix. This solution 1mL bismuth-containing 100μg.

4 Instrument

Atomic absorption spectrometer, with a bismuth hollow cathode lamp. Under optimum working conditions for those who can reach the following indicators can be used. ......

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