YS/T 273.7-2024Chemical analysis methods and physical property determination methods of cryolite - Part 7: Determination of ferric oxide content - Universal integrated circuit card technical requirements (English PDF)

YS/T 273.7-2024 (Chemical analysis methods and physical property determination methods of cryolite - Part 7: Determination of ferric oxide content - Universal integrated circuit card technical requirements) is available as an English-translated PDF.

YS/T 273.7-2024 — This standard specifies the method for determining the content of ferric oxide in cryolite by o-phenanthroline spectrophotometry.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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