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YS/T 445.4-2019 English PDF

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YS/T 445.4-2019: (Methods of chemical analysis of silver concentrates - Part 4: Determination of aluminium oxide content chrome azure S spectrophotometric method and Na2 EDTA titration)
Status: Valid

YS/T 445.4: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 445.4-2019English209 Add to Cart 3 days [Need to translate] (Methods of chemical analysis of silver concentrates - Part 4: Determination of aluminium oxide content chrome azure S spectrophotometric method and Na2 EDTA titration) Valid YS/T 445.4-2019
YS/T 445.4-2001English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of silver concentrates. Determination of oxide aluminum content Obsolete YS/T 445.4-2001

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Basic data

Standard ID YS/T 445.4-2019 (YS/T445.4-2019)
Description (Translated English) (Methods of chemical analysis of silver concentrates - Part 4: Determination of aluminium oxide content chrome azure S spectrophotometric method and Na2 EDTA titration)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H15
Classification of International Standard 77.040.30
Word Count Estimation 9,954
Date of Issue 2019
Date of Implementation 2020-01-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the method for the determination of aluminum oxide in silver concentrates. This standard applies to the determination of aluminum oxide in silver concentrates. Measurement range of method 1: 0.20%��1.00%; measurement range of method 2: >1.00%��12.00%.

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