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YS/T 36.1-2011 English PDF

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YS/T 36.1-2011: Methods for chemical analysis of high-purity Tin. Part 1: Determination of arsenic content. Arsenic stain method
Status: Valid

YS/T 36.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 36.1-2011English189 Add to Cart 3 days [Need to translate] Methods for chemical analysis of high-purity Tin. Part 1: Determination of arsenic content. Arsenic stain method Valid YS/T 36.1-2011
YS/T 36.1-1992English199 Add to Cart 2 days [Need to translate] (Spectrophotometric determination of the amount of arsenic chemical analysis of high purity tin. Ag-DDC spectroscopic) Obsolete YS/T 36.1-1992

PDF similar to YS/T 36.1-2011


Standard similar to YS/T 36.1-2011

GB/T 3884.2   GB/T 3884.1   YS/T 252.1   YS/T 35   YS/T 36.3   YS/T 36.2   

Basic data

Standard ID YS/T 36.1-2011 (YS/T36.1-2011)
Description (Translated English) Methods for chemical analysis of high-purity Tin. Part 1: Determination of arsenic content. Arsenic stain method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.60
Word Count Estimation 7,755
Date of Issue 2011-12-20
Date of Implementation 2012-07-01
Older Standard (superseded by this standard) YS/T 36.1-1992
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 arsenic in high purity tin. This section applies to the determination of arsenic in high purity tin. Measuring range: 0. 00001% 0. 00010%.

YS/T 36.1-2011: Methods for chemical analysis of high-purity Tin. Part 1: Determination of arsenic content. Arsenic stain 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 high-purity Tin.Part 1. Determination of arsenic content.Arsenic stain method ICS 77.120.60 H13 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 36.1-1992 Methods for chemical analysis of high purity tin Part 1. Determination of arsenic content Gutzeit method Part 1. Determinationofarseniccontent- Issued on. 2011-12-20 2012-07-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 36 "high-purity chemical analysis of tin," including a total of three parts. --- Part 1. Determination of arsenic content Gutzeit method; --- Part 2. Determination of antimony content - Malachite green spectrophotometry; --- Part 3. magnesium, aluminum, calcium, iron, cobalt, nickel, copper, zinc, silver, indium, gold, lead, bismuth content - Inductively Coupled Plasma Mass Spectrometry. This section YS/T Part 1 36. This section drafted in accordance with GB/T 1.1-2009 given rules. The partial replacement of YS/T 36.1-1992 "high purity chemical analysis of tin DDTC-Ag spectrophotometric determination of arsenic content", and YS/T 36.1-1992 compared to the main changes are as follows. --- Measured by the spectrophotometric method to Gutzeit method; --- Measured by the scope of ~ 0.00030% 0.00005% 0.00001% amend 0.00010%; --- Complements the precision, quality assurance and control provisions; --- Complements the "test report" requirement. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) and focal points. This section is responsible for drafting unit. Zhuzhou Smelter Group Co., Ltd. Participated in the drafting of this section. Guangxi China Tin Group Co., Ltd., Beijing General Research Institute of Mining and Metallurgy. Drafters of this section. Jin Zhihong, Zong Pu, Zhu Xiaofeng, Huang Mei, Lin Zhao letter, Huang Xu, Jiang Tao demand. This part of the standard replaces the previous editions are. --- YS/T 36.1-1992. Methods for chemical analysis of high purity tin Part 1. Determination of arsenic content Gutzeit method Warning --- personnel should use this standard regular laboratory work experience. This standard does not point out all possible security asked question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

YS/T of the provisions of section 36 of the method for the determination of tin in high purity arsenic content. This section applies to the determination of tin in high purity arsenic content. Measuring range. 0.00001% 0.00010%.

2 principle of the method

Sample with nitric acid and hydrochloric acid dissolved in hydrochloric acid solution with zinc tablets to restore arsenic into arsine, generated arsine and anti-mercuric bromide paper Should generate a yellow-brown spots arsenic mercury, arsenic and depth of color is proportional to the amount of spots. Whereby the standard gradation comparing results of arsenic content.

3 Reagents

Unless otherwise indicated in the analysis using recognized as excellent pure reagents and distilled or deionized water or equivalent purity. Laboratory Are fully cleaned thoroughly with water after soaking in a vessel with a nitric acid solution (119). 3.1 arsenic-free zinc particles (wAs≤0.000001%). 3.2 hydrochloric acid (ρ = 1.19g/mL). UP level or equivalent purity. 3.3 nitric acid (ρ = 1.42g/mL). UP level or equivalent purity. 3.4 sulfuric acid (ρ = 1.84g/mL). UP level or equivalent purity. 3.5 hydrochloride (11). 3.6 sulfate (11). 3.7 potassium iodide solution (150g/L). Weigh 15g of potassium iodide was dissolved in 100mL of water, and mix. Store in a brown bottle. 3.8 tin dichloride solution (100g/L). Weigh 10g tin dichloride was dissolved in 50mL hot hydrochloric acid (3.2) was added 50mL of water, and mix. Using now. 3.9 Lead acetate cotton. the cotton wool soaked in 4% lead acetate solution (100mL each lead acetate solution containing acetic acid 2mL), 10min after taking Out, squeeze excess solution, low-temperature drying. 3.10 mercuric bromide paper. quantitative filter paper soaked in 5% ethanol solution of mercuric bromide removed after 40min, to air dry. 3.11 arsenic standard stock solution. Weigh accurately 0.1320g reference reagent arsenic trioxide (previously dried in a sulfuric acid desiccator) to 300mL beaker, was added 20mL of sodium hydroxide solution (100g/L), completely dissolved by heating with hydrochloric acid (3.5) and to slightly cold However, moved into 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL arsenic 100μg. 3.12 Arsenic standard solution. Pipette arsenic standard stock solution (3.11) 10.00mL in 1000mL volumetric flask, dilute to the mark, mix uniform. This solution 1mL arsenic 1μg.

4 instrumentation

Smoked arsenic bottle (shown schematically in Figure 1).

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