YS/T 569.7-2015 English PDF

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YS/T 569.7-2015: Methods for chemical analysis of thallium. Part 7: Determination of aluminum content. Chrome azurol S spectrophotometry

YS/T 569.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 569.7-2015	209	Add to Cart	3 days	Methods for chemical analysis of thallium. Part 7: Determination of aluminum content. Chrome azurol S spectrophotometry
YS/T 569.7-2006	199	Add to Cart	2 days	Determination of the amount of thallium in aluminum (photometric) chromazurol S	Obsolete

Similar standards

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 569.7-2015 (YS/T569.7-2015)
Description (Translated English): Methods for chemical analysis of thallium. Part 7: Determination of aluminum content. Chrome azurol S spectrophotometry
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.99
Word Count Estimation: 6,631
Date of Issue: 2015-04-30
Date of Implementation: 2015-10-01
Older Standard (superseded by this standard): YS/T 569.7-2006
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 method for the determination of aluminum in the amount of thallium. This section applies to the determination of aluminum in the amount of thallium. Measuring range: 0.0005% to 0.0030%.

YS/T 569.7-2015: Methods for chemical analysis of thallium. Part 7: Determination of aluminum content. Chrome azurol S 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 7. Determination of aluminum content Chrome azurol S spectrophotometry ICS 77.120.99 H14 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 569.7-2006 Chemical analysis of thallium Part 7. Determination of aluminum content Chromium Azure S Spectrophotometry Part 7. Determinationofaluminumcontent- Issued on. 2015-04-30 2015-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 569 "thallium chemical analysis method" is divided into 10 parts. --- Part 1. Determination of copper content copper reagent chloroform extraction spectrophotometry; --- Part 2. Determination of iron content - Phenanthroline spectrophotometric method; --- Part 3. Determination of mercury content of Diphenylthiocarbazone extraction spectrophotometry; --- Part 4. Determination of zinc content of benzene extraction dithizone spectrophotometry; --- Part 5. Determination of cadmium content of benzene extraction dithizone spectrophotometry; --- Part 6. Determination of lead content of benzene extraction dithizone spectrophotometry; --- Part 7. Determination of the amount of chrome aluminum Azure S Spectrophotometry; --- Part 8. Determination of indium content of crystal violet benzene extraction spectrophotometry; --- Part 9. Determination of the amount of silicon silicon molybdenum blue isoamyl alcohol extraction spectrophotometric method; --- Part 10. Determination of the amount of thallium Na2EDTA titration. This section YS/T 569 Part 7. This section drafted in accordance with GB/T 1.1-2009 given rules. The partial replacement of YS/T 569.7-2006 "Thallium - Determination of aluminum content (chrome azure S photometric method)" (the original GB 2592.7-1981). This portion of YS/T 569.7-2006 compared to the main changes are as follows. --- Text format has been modified; --- Increased test reporting requirements. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) and focal points. This section is drafted. Hunan Chenzhou City Jingui Silver Industry Co., Ltd., Hunan Nonferrous Metals Group Co., Ltd. Shuikoushan, China has Color Guilin Research Institute of Geology and Minerals Co. Ltd., Hunan Nonferrous Metal Research Institute, Fangchenggang CIQ. The main drafters of this section. Liao Xiaohui, Liu Wei, Xiabing Wei, Yan Jianbin, Tang Biyu, Zhouling Bo, Li Bing, Li Yan, Xie Yu group Ruangui Wu. This part of the standard replaces the previous editions are. --- GB 2592.7-1981; --- YS/T 569.7-2006. Chemical analysis of thallium Part 7. Determination of aluminum content Chromium Azure S Spectrophotometry

1 Scope

YS/T 569 This part provides for determination of thallium in aluminum content. This section applies to the determination of the amount of thallium in aluminum. Measurement range. 0.0005% to 0.0030%.

2 Method summary

Sample dissolved in nitric acid, at a pH of hexamethylenetetramine medium 5 to 6, the aluminum and chrome azure S generated purple complex in 560nm wavelength spectrophotometer measured absorbance.

3 Reagents

3.1 hydrochloric acid (ρ = 1.19g/mL). 3.2 hydrochloride (11). 3.3 hydrochloride (496). 3.4 nitric acid (11). 3.5 Aqueous ammonia (11). 3.6 thiourea saturated solution. 3.7 sodium sulfite solution (20g/L). the time is now equipped with. 3.8 hexamethylenetetramine solution (200g/L). 3.9 bromocresol green solution (0.5g/L). Weigh 0.05g bromocresol green dissolved in ethanol 50mL, add water to dilute release 100mL, Shake well. 3.10 Chromium Azure S solution (0.5g/L). Weigh 0.1g Chromium Azure S with 50mL ethanol dissolved, add water to dilute release 200mL, Shake well. 3.11 Aluminum Standard stock solution. Weigh 0.5000g of aluminum (wAl≥99.99%) into 300mL beaker, was added 20mL of hydrochloric acid (3.2), After heating dissolved, add a small amount of water, heated to boiling, cooled and transferred to 1000mL volumetric flask, dilute to the mark, shake. This solution 1mL Aluminum-containing 500μg. 3.12 aluminum standard solution. Pipette 5.00mL aluminum standard stock solution (3.11), placed in 500mL volumetric flask, hydrochloric acid was added 2mL (3.2), diluted with water to the mark. This solution 1mL aluminum-containing 5μg.

4 Instrument

Spectrophotometer. ......

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