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YS/T 940-2013 English PDF

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YS/T 940-2013: Gold potassium citrate
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YS/T 940-2013English189 Add to Cart 3 days [Need to translate] Gold potassium citrate Valid YS/T 940-2013

PDF similar to YS/T 940-2013


Standard similar to YS/T 940-2013

GB/T 17472   GB/T 17473.2   GB/T 17473.1   YS/T 939   YS/T 931   YS/T 930   

Basic data

Standard ID YS/T 940-2013 (YS/T940-2013)
Description (Translated English) Gold potassium citrate
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H68
Classification of International Standard 77.150.99
Word Count Estimation 7,797
Quoted Standard GB/T 191; YS/T 592-2006
Regulation (derived from) Ministry of Industry and Information Technology Bulletin No. 52, 2013; industry standard for filing Notice No. 1 of 2014 (No. 169 overall)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the gold potassium citrate (also known as electric powder) requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate and contract (or order form) content. This standard appli

YS/T 940-2013: Gold potassium citrate

---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.
Gold potassium citrate ICS 77.150.99 H68 People's Republic of China Nonferrous Metals Industry Standard Gold potassium citrate Issued on. 2013-10-17 2014-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Tongling Nonferrous Metals Group Holdings Co., Ltd., Branch copper powder are new materials Co., Ltd., China Nonferrous Metal Industry Standards and Metrology Institute for Quality. The main drafters of this Standard. Money Vincent, Cao Jianguo, Fanzhan Fang, Hu Jun, Shao Xinhua, Bi Jianming, Bandai hair, Yao Xuehui to Lei. Gold potassium citrate

1 Scope

This standard specifies the gold potassium citrate (also known as electric powder) requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality The amount of the certificate and contract (or purchase order) content. This standard applies to gold and potassium citrate as the main raw materials, production membrane electrolysis, primarily for the use of citric acid gold electroplating industry Potassium (electric powder) products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs YS/T 592-2006 plating gold potassium cyanide

3 Requirements

3.1 Chemical composition Gold potassium citrate formula KAu2N4C12H11O8, its chemical composition shall comply with the requirements of Table 1. Table 1 Au (mass fraction) /% not less than Impurity elements (mass fraction) /%, not more than Ag Pb Cu Fe Co Ni Cr Zn 50.50 0.002 0.001 0.001 0.001 0.001 0.001 0.001 0.001 3.2 Water solubility 10g of gold potassium citrate dissolved in 100mL of water, the solution should be clarified, no visual visible. 3.3 Water insolubles Water-insoluble content of not more than 0.1%. 3.4 Moisture content Moisture content not more than 0.25%. 3.5 appearance quality Gold potassium citrate should be white or slightly yellow crystalline powder.

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