GB/T 14506.26-1993Silicate rocks. Determination of cobalt content. 4-[ (5-Chtoro-2-pyridyl)-azo]-1, 3-diamino benzene photometric method (English PDF)
硅酸盐岩石化学分析方法 4-［（5-氯-2-吡啶）-偶氮］-1，3-二氨基苯光度法测定钴量
GB/T 14506.26 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 14506.26-2010 | Methods for chemical analysis of silicate rocks - Part 26: Determination of cobalt content | Valid |
| GB/T 14506.26-1993 | Silicate rocks. Determination of cobalt content. 4-[ (5-Chtoro-2-pyridyl)-azo]-1, 3-diamino benzene photometric method | Obsolete |
GB/T 14506.26-1993 is obsolete. It has been replaced by GB/T 14506.26-2010. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
June 19, 1993
Implementation date
February 1, 1994
Scope
GB/T 14506.26-1993 is the English-translated version of 硅酸盐岩石化学分析方法 4-［（5-氯-2-吡啶）-偶氮］-1，3-二氨基苯光度法测定钴量.
GB/T 14506.26-1993 is the Chinese national standard "Silicate rocks. Determination of cobalt content. 4-[ (5-Chtoro-2-pyridyl)-azo]-1, 3-diamino benzene photometric method".
It was issued on June 19, 1993 by the State Bureau of Technical Supervision, and took effect on February 1, 1994. It is obsolete: it has been replaced by GB/T 14506.26-2010.
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Document preview — GB/T 14506.26-1993
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1993-06-19.
Date of implementation: 1994-02-01.
Status: obsolete, replaced by GB/T 14506.26-2010.
......
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
GB/T 14506.27-2010 — Methods for chemical analysis of silicate rocks - Part 27: Determination of nickel content
GB/T 14506.25-1993 — Silicate rocks. Determination of molybdenum and tungsten content. Sulfuric acid-phenylhydroxyacetic acid-cinchonine-potassium chlorate medium polarographic method
GB/T 14506.27-1993 — Silicate rocks. Determination of nicket content. a, a-Furil dioxime photometric method
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GB/T 14506.26-1993
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