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YS/T 1227.4-2025 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 1227.4-2025EnglishRFQ ASK 3 days [Need to translate] Chemical analysis of crude antimony trioxide - Part 4: Determination of selenium content - Gravimetric method Valid YS/T 1227.4-2025

Basic data

Standard ID YS/T 1227.4-2025 (YS/T1227.4-2025)
Description (Translated English) Chemical analysis of crude antimony trioxide - Part 4: Determination of selenium content - Gravimetric method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.99
Date of Issue 2025-04-10
Date of Implementation 2025-11-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the method for determining the selenium content in crude tellurium using the gravimetric method. This document applies to the determination of selenium content in crude tellurium, with a determination range of 5.00% to 20.00%.

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