YS/T 281.20-2026Methods for chemical analysis of cobalt - Part 20: Determination of oxygen, nitrogen and hydrogen contents -Pulse heating inert gas melting thermal conductivity / infrared absorption method (English PDF)
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
April 16, 2026
Implementation date
November 1, 2026
Scope
YS/T 281.20-2026 (Methods for chemical analysis of cobalt - Part 20: Determination of oxygen, nitrogen and hydrogen contents -Pulse heating inert gas melting thermal conductivity / infrared absorption method) is available as an English-translated PDF.
YS/T 281.20-2026 — Methods for chemical analysis of cobalt - Part 20: Determination of oxygen, nitrogen and hydrogen contents -Pulse heating inert gas melting thermal conductivity / infrared absorption method
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Document preview — YS/T 281.20-2026
National Standard of the People's Republic of China
- ICS
- 77.120.70
- Classification
- H 13
- Replacing
- YS/T 281.20-2011
Issued by: Ministry of Industry and Information Technology
Contents
- Document data1
Document data
International classification (ICS): 77.120.70.
Chinese classification (CCS): H13.
Supersedes the earlier edition YS/T 281.20-2011.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
YS/T 281.1-2011 — Methods for chemical analysis of cobalt. Part 1: Determination of iron content. Sulfosalicylic acid spectrophotometry
YS/T 281.10-2011 — Methods for chemical analysis of cobalt. Part 10: Determination of nickel content. Flame atomic absorption spectrometry
YS/T 281.11-2011 — Methods for chemical analysis of cobalt. Part 11: Determination of copper and manganese contents. Flame atomic absorption spectrometry
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YS/T 281.20-2026
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