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YS/T 240.2-2024 English PDF

YS/T 240.2: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 240.2-2024EnglishRFQ ASK 3 days [Need to translate] (Chemical analysis method for bismuth concentrate - Part 2: Determination of lead content - Na2EDTA titration method, Na2EDTA back titration method and flame atomic absorption spectrometry method) Valid YS/T 240.2-2024
YS/T 240.2-2007English359 Add to Cart 3 days [Need to translate] Methods for chemical analysis of bismuth concentrate. Determination of lead content. Na2EDTA titrimetric method and flame atomic absorption spectrometric method Obsolete YS/T 240.2-2007

Basic data

Standard ID YS/T 240.2-2024 (YS/T240.2-2024)
Description (Translated English) (Chemical analysis method for bismuth concentrate - Part 2: Determination of lead content - Na2EDTA titration method, Na2EDTA back titration method and flame atomic absorption spectrometry method)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.99
Date of Issue 2024-10-24
Date of Implementation 2025-05-01
Older Standard (superseded by this standard) YS/T 240.2-2007
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the method for determining the lead content in bismuth concentrate. Method 1 is the Na2EDTA titration method, method 2 is the Na2EDTA back titration method, and method 3 is the flame atomic absorption spectrometry. This standard is applicable to the determination of lead content in bismuth concentrate. Method 1 in this standard is not applicable to the determination of lead content in bismuth concentrate containing more than 0.6% barium.