YS/T 820.18-2012 English PDF

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YS/T 820.18-2012: Methods for chemical analysis of laterite nickel ores. Part 18: Determination of mercury content. Cold atomic absorption spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 820.18-2012	159	Add to Cart	3 days	Methods for chemical analysis of laterite nickel ores. Part 18: Determination of mercury content. Cold atomic absorption spectrometry	Valid

Similar standards

SN/T 1537   YS/T 820.16   GB/T 2007.1   YS/T 820.3   YS/T 820.21   YS/T 820.10   

Basic data

Standard ID: YS/T 820.18-2012 (YS/T820.18-2012)
Description (Translated English): Methods for chemical analysis of laterite nickel ores. Part 18: Determination of mercury content. Cold atomic absorption spectrometry
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: D04
Classification of International Standard: 73.060
Word Count Estimation: 6,662
Regulation (derived from): Ministry of Industry and Information Technology Bulletin No. 55 of 2012; industry standard filing Notice 2013 No. 1 (Total No. 157);
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the amount of nickel laterite Determination of mercury. This standard applies to laterite nickel ore of mercury content. Measuring range: 0. 00005% to 0. 010%

YS/T 820.18-2012: Methods for chemical analysis of laterite nickel ores. Part 18: Determination of mercury content. Cold atomic absorption spectrometry

---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 laterite nickel ores.Part 18. Determination of mercury content.Cold atomic absorption spectrometry ICS 73.060 D04 People's Republic of China Nonferrous Metals Industry Standard Methods for chemical analysis of nickel laterite ore Part 18. Determination of the amount of mercury Cold vapor atomic absorption spectrometry Part 18. Determinationofmercurycontent- Issued on. 2012-11-07 2013-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This section drafted in accordance with GB/T 1.1-2009 given rules. YS/T 820-2012 "Methods for chemical analysis of nickel laterite ore" is divided into 26 parts. --- Part 1. Determination of nickel content by flame atomic absorption spectrometry; --- Part 2. Determination of the amount of nickel dimethylglyoxime spectrophotometry; --- Part 3. Determination of total iron content of dichromate method; --- Part 4. Determination of phosphorus content - Molybdenum blue spectrophotometric method; --- Part 5. Determination of cobalt content by flame atomic absorption spectrometry; --- Part 6. Determination of copper content - Flame atomic absorption spectrometry; --- Part 7. Determination of calcium and magnesium content by flame atomic absorption spectrometry; --- Part 8. Determination of the amount of silica silicon potassium fluoride titration; --- Part 9. scandium, cadmium determination by inductively coupled plasma - mass spectrometry; --- Part 10. calcium, cobalt, copper, magnesium, manganese, nickel, zinc and phosphorus content - Inductively Coupled Plasma - Atomic Emission Spectrometry; --- Part 11. Determination of the amount of fluorine and chlorine ion chromatography; --- Part 12. Determination of manganese content by flame atomic absorption spectrometry; --- Part 13. Determination of lead content by flame atomic absorption spectrometry; --- Part 14. Determination of zinc content - Flame atomic absorption spectrometry; --- Part 15. Determination of cadmium content by flame atomic absorption spectrometry; --- Part 16. Determination of the amount of carbon and sulfur by high frequency combustion infrared absorption spectroscopy; --- Part 17. arsenic, antimony, bismuth contents hydride generation - atomic fluorescence spectrometry; --- Part 18. Determination of mercury content - Cold atomic absorption spectrometry; --- Part 19. Determination of energy aluminum, chromium, iron, magnesium, manganese, nickel and silicon content dispersive X-ray fluorescence spectrometry; --- Part 20. Determination of aluminum content EDTA titration; --- Part 21. Determination of chromium content ammonium ferrous sulfate titration; --- Part 22. Determination of magnesium content EDTA titration; --- Part 23. cobalt, iron, nickel, phosphorus, aluminum oxide, calcium oxide, chromium oxide, magnesium oxide, manganese oxide, silicon dioxide and titanium dioxide volume Wavelength dispersive X-ray fluorescence spectrometry; --- Part 24. Determination of hygroscopic water weight method; --- Part 25. Determination of combined water content - Gravimetric method; --- Part 26. Determination of loss on ignition - Gravimetric method. This section YS/T 820-2012 Part 18. This method is a method of arbitration. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard by the Beijing General Research Institute of Mining and Metallurgy, People's Republic of China Bayuquan Exit Inspection and Quarantine, Jinchuan Group Ltd, Drafted. This section is drafted. Guangzhou Nonferrous Metal Research Institute. Participated in the drafting of this section. Beijing Mining Research Institute, People's Republic of China Bayuquan Entry-Daye Nonferrous It belongs to Group Holdings Ltd, People's Republic of China Changshu Exit Inspection and Quarantine. The main drafters of this section. Chen Xinglong, Liutian Ping, Dai Fengying, Xiaoling, Yindong Xia, Li Changli, Li Xiaoyu, Wang Hui, the new kingdom, Mary, Feng Yuan. Methods for chemical analysis of nickel laterite ore Part 18. Determination of the amount of mercury Cold vapor atomic absorption spectrometry

1 Scope

This section YS/T 820 provides for the determination of mercury content of nickel laterite ore. This section applies to the determination of the amount of mercury nickel laterite ore. Measurement range. 0.00005% to 0.010%.

2 Method summary

Samples with hydrochloric acid - nitric acid dissolution mixed with stannous chloride solution in reducing mercury ions to metallic mercury, mercury in cold vapor atomic absorption The measurement of mercury vapor in absorbance at a wavelength of 253.7nm.

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 nitrate (ρ1.42g/mL). pure class distinctions. 3.2 hydrochloric acid (ρ1.19g/mL). pure class distinctions. 3.3 mixed acid. nitric acid (3.1), hydrochloric acid (3.2) with water to 134 volume mixing ratio. 3.4 potassium dichromate solution (25g/L). 3.5 potassium dichromate - nitric acid solution. Weigh 0.5g potassium dichromate, dissolved in water was added 50mL of nitric acid (3.1) and transferred to 1000mL capacity Volumetric flask, dilute to the mark and mix. 3.6 stannous chloride solution (200g/L). Weigh 20g of stannous chloride (SnCl2 · 2H2O), was dissolved in 20mL of hydrochloric acid (3.2) and transferred to 100mL volumetric flask, dilute with water to volume, and mix. 3.7 Storage mercury standard solution. Weigh 0.1354g advance through the dryer sufficiently dried mercury dichloride (wHgCl2≥99.95%) in 100mL beaker, 5mL nitric acid (3.1) and a small amount of water, heat gently to dissolve and transferred to 1000mL volumetric flask, using potassium dichromate - nitrate Acid solution (3.5) diluted to the mark, and mix. This solution 1mL containing 100μg mercury. 3.8 mercury standard solution. Pipette 10.00mL mercury standard stock solution (3.7) in 100mL flask with potassium dichromate - nitric acid solution (3.5) diluted to the mark, and mix. This solution 1mL containing 10μg mercury. 3.9 mercury standard solution. Pipette 2.00mL mercury standard solution (3.8) in 200mL flask with potassium dichromate - nitric acid solution (3.5) dilute Diluted to volume, and mix. This solution 1mL containing 0.1μg of mercury (used when existing service).

4 Instrument

Cold vapor atomic absorption mercury analyzer.

5 Sample

The sample size should be less than 160μm. ......

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