QB/T 2345-1997Determination of fatty alkyl dimethyl betaine average relative molecular mass. Gas-liquid chromatography (English PDF)
脂肪烷基二甲基甜菜碱平均相对分子质量的测定气液色谱法
QB/T 2345 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| QB/T 2345-2013 | Determination of mean relative molecular weight of alkyldimethylbetain by GC | Valid |
| QB/T 2345-1997 | Determination of fatty alkyl dimethyl betaine average relative molecular mass. Gas-liquid chromatography | Obsolete |
QB/T 2345-1997 is obsolete. It has been replaced by QB/T 2345-2013. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
China National Council of Light Industry
Level / Type
National · Recommended
Issue date
January 16, 1998
Implementation date
September 1, 1998
Scope
QB/T 2345-1997 is the English-translated version of 脂肪烷基二甲基甜菜碱平均相对分子质量的测定气液色谱法.
QB/T 2345-1997 is the Chinese industry standard "Determination of fatty alkyl dimethyl betaine average relative molecular mass. Gas-liquid chromatography". It was issued on January 16, 1998 by the China National Council of Light Industry, and took effect on September 1, 1998. It is obsolete: it has been replaced by QB/T 2345-2013.
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Document preview — QB/T 2345-1997
National Standard of the People's Republic of China
Issued by: China National Council of Light Industry
Contents
- Document data
1 Document data
Sector: Light Industry (industry standard).
Issuing body: China National Council of Light Industry.
Date of issue: 1998-01-16.
Date of implementation: 1998-09-01.
Status: obsolete, replaced by QB/T 2345-2013.
......
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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