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YS/T 569.8-2015 English PDF

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YS/T 569.8-2015: Methods for chemical analysis of thallium. Part 8: Determination of indium content. Crystal violet benzene extraction spectrophotometry
Status: Valid

YS/T 569.8: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 569.8-2015English139 Add to Cart 3 days [Need to translate] Methods for chemical analysis of thallium. Part 8: Determination of indium content. Crystal violet benzene extraction spectrophotometry Valid YS/T 569.8-2015
YS/T 569.8-2006English199 Add to Cart 2 days [Need to translate] Determination of indium content in the thallium (crystal violet benzene extraction photometric method) Obsolete YS/T 569.8-2006

PDF similar to YS/T 569.8-2015


Standard similar to YS/T 569.8-2015

GB/T 4698.17   XB/T 619   YS/T 555.11   YS/T 569.1   YS/T 569.3   YS/T 569.10   

Basic data

Standard ID YS/T 569.8-2015 (YS/T569.8-2015)
Description (Translated English) Methods for chemical analysis of thallium. Part 8: Determination of indium content. Crystal violet benzene extraction spectrophotometry
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H14
Classification of International Standard 77.120.99
Word Count Estimation 6,647
Date of Issue 2015-04-30
Date of Implementation 2015-10-01
Older Standard (superseded by this standard) YS/T 569.8-2006
Regulation (derived from) Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This Standard specifies the determination of the amount of indium thallium. This section applies to the determination of thallium in recognition of the amount of indium. Measuring range: 0.0002% to 0.0010%.

YS/T 569.8-2015: Methods for chemical analysis of thallium. Part 8: Determination of indium content. Crystal violet benzene extraction spectrophotometry


---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 thallium.Part 8. Determination of indium content.Crystal violet benzene extraction spectrophotometry ICS 77.120.99 H14 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 569.8-2006 Methods for chemical analysis of thallium Part 8. determination of indium content Crystalline Purple Benzene Extraction Spectrophotometric Method Part 8. Determination ofindiumcontent- Crystal outdoorbenzeneextractionspectrophotometry 2015-04-30 released 2015-10-01 implementation Issued by the Ministry of Industry and Information Technology of the People's Republic of China

Foreword

YS/T 569 "Thallium chemical analysis method" is divided into 10 parts. - Part 1. Determination of copper content - Copper reagent Trichloromethane extraction spectrophotometric method; - Part 2. Determination of iron content - Phenanthroline spectrophotometric method; - Part 3. Determination of mercury content - Dithizone carbon tetrachloride extraction spectrophotometric method; - Part 4. Determination of zinc content - Dithizone benzene extraction spectrophotometric method; - Part 5. Determination of cadmium content - Dithizone benzene extraction spectrophotometric method; - Part 6. Determination of lead content - Dithizone benzene extraction spectrophotometric method; - Part 7. Determination of aluminum content - Chromazu S spectrophotometric method; - Part 8. Determination of indium content - Crystalline Purple Benzene extraction spectrophotometric method; - Part 9. Determination of silicon content - Mo - Mo - blue isopentanol extraction spectrophotometric method; Part 10. Determination of thallium content Na2EDTA titration. This section is part 8 of YS/T 569. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part of the replacement of YS/T 569.8-2006 "thallium determination of indium (crystalline purple benzene extraction spectrophotometric method)" (the original GB 2592.8- 1981). This section has the following changes as compared with YS/T 569.8-2006. --- the text format has been modified; --- Increased test report requirements. This part of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243) proposed and centralized. This part of the drafting unit. Hunan Institute of Nonferrous Metals Exploration, Hunan Shuikoushan Nonferrous Metals Group Co., Ltd., China Nonferrous Guilin Mineral Geology Research Institute Co., Ltd., Beijing Mining and Metallurgy Research Institute, Zhuzhou Smelting Group Co., Ltd. This part of the main drafters. Wei Xianghui, Li Jinyan, Deng Shupei, Zeng Guangming, Jie Hui, Xiong Chuanxin, Zhou Qian, Feng Xianjin, Shi Yehong, Tang Xiuyun. This part of the previous version of the standard to replace the release of the situation. --- GB 2592.8-1981; --- YS/T 569.8-2006. Methods for chemical analysis of thallium Part 8. determination of indium content Crystalline Purple Benzene Extraction Spectrophotometric Method

1 Scope

This part of YS/T 569 specifies the method for the determination of indium in thallium. This part is applicable to the determination of indium in thallium. Measurement range. 0.0002% ~ 0.0010%.

2 method summary

The sample was dissolved in nitric acid, and in the dilute sulfuric acid and potassium iodide medium, the complex formed by indium and crystal violet was extracted with benzene, The absorbance was measured at 615 nm long.

3 reagent

3.1 Hydrochloric acid (ρ = 1.19 g/mL). 3.2 Hydrochloric acid (1 1). 3.3 Sulfuric acid (ρ = 1.84 g/mL). 3.4 Sulfuric acid (1 1). 3.5 Sulfuric acid (1 5). 3.6 nitric acid (1 1). 3.7 hydrobromic acid (ρ = 1.49 g/mL). 3.8 hydrobromic acid (1 1) 3.9 Sulfuric acid - nitric acid mixed acid (1 1). 3.10 Hydrogen peroxide (30%). 3.11 Potassium iodide. 3.12 potassium iodide solution (2mol/L). Weigh 166g potassium iodide dissolved in water and diluted with water to 500mL, shake. 3.13 sodium thiosulfate solution (200g/L). with the current distribution. 3.14 sodium thiosulfate solution (50g/L). with the current allocation. 3.15 crystal violet solution (1g/L). 3.16 isopropyl ether. 3.17 Butyl acetate. 3.18 benzene 3.19 indium standard storage solution. Weigh 0.1000g metal indium (wIn ≥ 99.95%) placed in.200mL beaker, add 10mL salt Acid (3.2), dissolved in low temperature heating, add 5mL sulfuric acid (3.4), heating and evaporating to white smoke, cooling. Add water to dissolve, cool, move into 1000mL Capacity bottle, diluted with water to the mark, shake. This solution 1mL containing indium 100μg. 3.20 Indium standard solution. Remove 10.00mL indium standard storage solution (3.19), placed in 500mL volumetric flask, diluted with water to the mark, shake uniform. This solution 1mL containing indium 2μg.

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