GB/T 223.65-1988Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of cobalt content (English PDF)
钢铁及合金化学分析方法 火焰原子吸收光谱法测定钴量
GB/T 223.65 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 223.65-2012 | Steel, iron and alloy - Determination of cobalt content - Flame atomic absorption spectrometric method | Valid |
| GB/T 223.65-1988 | Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of cobalt content | Obsolete |
GB/T 223.65-1988 is obsolete. It has been replaced by GB/T 223.65-2012. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
February 5, 1988
Implementation date
February 1, 1989
Scope
GB/T 223.65-1988 is the English-translated version of 钢铁及合金化学分析方法 火焰原子吸收光谱法测定钴量.
GB/T 223.65-1988 is the Chinese national standard "Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of cobalt content".
It was issued on February 5, 1988 by the National Bureau of Standards, and took effect on February 1, 1989. It is obsolete: it has been replaced by GB/T 223.65-2012.
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Document preview — GB/T 223.65-1988
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1988-02-05.
Date of implementation: 1989-02-01.
Status: obsolete, replaced by GB/T 223.65-2012.
......
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 223.66-1989 — Methods for chemical analysis of iron, steel and alloy - The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content
GB/T 223.64-1988 — Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of manganese content
GB/T 223.67-2008 — Iron, steel and alloy -- Determination of sulfur content -- Methylene blue spectrophotometric method
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GB/T 223.65-1988
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