YS/T 37.4-1992Chemical analysis of high-purity germanium dioxide. Spectrochemical Determination of iron, magnesium, lead, nickel, aluminum, calcium, copper, indium and zinc content (English PDF)
高纯二氧化锗化学分析方法 化学光谱法测定铁 镁 铅 镍 铝 钙 铜 铟和锌量
YS/T 37.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 37.4-2018 | Methods for chemical analysis of high pure germanium dioxide- Determination of magnesium，aluminum，cobalt，nickel，copper，zinc indium，lead，calcium，iron and arensic content by inductively coupled plasma mass spectrometric method | Valid |
| YS/T 37.4-2007 | High pure germanium dioxide - Determination of magnesium aluminium cobalt nickel copper zinc indium lead calcium iron and arsenic content-Inductively coupled plasma mass spectrometric | Obsolete |
| YS/T 37.4-1992 | Chemical analysis of high-purity germanium dioxide. Spectrochemical Determination of iron, magnesium, lead, nickel, aluminum, calcium, copper, indium and zinc content | Obsolete |
YS/T 37.4-1992 is obsolete. It has been replaced by YS/T 37.4-2007. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
China National Nonferrous Metals Industry Corporation
Level / Type
National · Recommended
Issue date
March 13, 1992
Implementation date
January 1, 1993
Scope
YS/T 37.4-1992 is the English-translated version of 高纯二氧化锗化学分析方法 化学光谱法测定铁 镁 铅 镍 铝 钙 铜 铟和锌量.
YS/T 37.4-1992 is the Chinese industry standard "Chemical analysis of high-purity germanium dioxide. Spectrochemical Determination of iron, magnesium, lead, nickel, aluminum, calcium, copper, indium and zinc content".
It was issued on March 13, 1992 by the China National Nonferrous Metals Industry Corporation, and took effect on January 1, 1993. It is obsolete: it has been replaced by YS/T 37.4-2007.
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Document preview — YS/T 37.4-1992
National Standard of the People's Republic of China
Issued by: China National Nonferrous Metals Industry Corporation
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Issuing body: China National Nonferrous Metals Industry Corporation.
Date of issue: 1992-03-13.
Date of implementation: 1993-01-01.
Status: obsolete, replaced by YS/T 37.4-2007.
......
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 37.5-2018 — Methods for chemical analysis of high pure germanium dioxide -- Determination of iron content by graphite furnace atomic absorption spectrometric method
YS/T 37.3-1992 — Chemical analysis of high-purity germanium dioxide. Arsenic determination by graphite furnace atomic absorption spectrometry
YS/T 37.5-2007 — High pure germanium dioxide. Determination of iron content. Graphite furnace atomic absorption spectrometric method
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YS/T 37.4-1992
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