YS/T 281.20-2011Mehtods for chemical analysis of cobalt. Part 20: Determination of oxide content. Impulse infrared absorption (English PDF)
钴化学分析方法 第20部分：氧量的测定 脉冲-红外吸收法
YS/T 281.20 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 281.20-2026 | Mehtods for chemical analysis of cobalt. Part 20: Determination of oxide content. Impulse infrared absorption | Valid |
| YS/T 281.20-2011 | Mehtods for chemical analysis of cobalt. Part 20: Determination of oxide content. Impulse infrared absorption | Obsolete |
YS/T 281.20-2011 is obsolete. It has been replaced by YS/T 281.20-2026. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Industry and Information Technology of the People's Republic of China
Level / Type
National · Recommended
Issue date
December 20, 2011
Implementation date
July 1, 2012
Scope
YS/T 281.20-2011 is the English-translated version of 钴化学分析方法 第20部分：氧量的测定 脉冲-红外吸收法.
YS/T 281.20-2011 is the Chinese industry standard "Mehtods for chemical analysis of cobalt. Part 20: Determination of oxide content. Impulse infrared absorption".
It was issued on December 20, 2011 by the Ministry of Industry and Information Technology of the People's Republic of China, and took effect on July 1, 2012. It is obsolete: it has been replaced by YS/T 281.20-2026.
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Document preview — YS/T 281.20-2011
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Issuing body: Ministry of Industry and Information Technology of the People's Republic of China.
Date of issue: 2011-12-20.
Date of implementation: 2012-07-01.
Status: obsolete, replaced by YS/T 281.20-2026.
......
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 281.19-2011 — Methods for chemical analysis of cobalt. Part 19: Determination of calcium, magnesium manganese, iron, cadmium, zinc content. Inductively coupled plasma atomic emission spectrometry
YS/T 281.18-2011 — Methods for chemical analysis of cobalt. Part 18: Determination of sodium content. Flame atomic absorption spectrometry
YS/T 281.17-2011 — Methods for chemical analysis of cobalt. Part 17: Determination of aluminum, manganese, nickel, copper zinc, cadmium, tin, antimony, lead and bismuth content. Inductively coupled plasma mass spectrometry
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YS/T 281.20-2011
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