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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

YS/T 273.7-2024 English PDF

YS/T 273.7: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 273.7-2024EnglishRFQ ASK 3 days [Need to translate] (Chemical analysis methods and physical property determination methods of cryolite - Part 7: Determination of ferric oxide content - Universal integrated circuit card technical requirements) Valid YS/T 273.7-2024
YS/T 273.7-2006English239 Add to Cart 3 days [Need to translate] Chemical analysis methods and physical properties of cryolite. Part 7: Determination of iron content by orthophenantholine photometric method Obsolete YS/T 273.7-2006

Basic data

Standard ID YS/T 273.7-2024 (YS/T273.7-2024)
Description (Translated English) (Chemical analysis methods and physical property determination methods of cryolite - Part 7: Determination of ferric oxide content - Universal integrated circuit card technical requirements)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H30
Classification of International Standard 71.100.10
Date of Issue 2024-10-24
Date of Implementation 2025-05-01
Older Standard (superseded by this standard) YS/T 273.7-2006
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the method for determining the content of ferric oxide in cryolite by o-phenanthroline spectrophotometry. This standard is applicable to the determination of the content of ferric oxide in cryolite, with a determination range of 0.0050% to 0.50%.