HG/T 3642-1999Water treatment chemicals. Acrylic acid-2-acrylamido-2-methyl-propane-sulfomic acid copolymers (English PDF)
水处理剂 丙烯酸-2-甲基-2-丙烯酰胺基丙磺酸类共聚物
HG/T 3642 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| HG/T 3642-2016 | Water treatment agent Acrylic acid 2-methyl-2-acrylamidopropane sulfonic acid copolymer | Valid |
| HG/T 3642-1999 | Water treatment chemicals. Acrylic acid-2-acrylamido-2-methyl-propane-sulfomic acid copolymers | Obsolete |
HG/T 3642-1999 is obsolete. It has been replaced by HG/T 3642-2016. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Development and Reform Commission
Level / Type
Industry · Recommended
Issue date
August 12, 1999
Implementation date
October 1, 2000
Scope
HG/T 3642-1999 is the English-translated version of 水处理剂 丙烯酸-2-甲基-2-丙烯酰胺基丙磺酸类共聚物.
HG/T 3642-1999 is the Chinese industry standard "Water treatment chemicals. Acrylic acid-2-acrylamido-2-methyl-propane-sulfomic acid copolymers". It was issued on August 12, 1999 by the National Development and Reform Commission, and took effect on October 1, 2000. It is obsolete: it has been replaced by HG/T 3642-2016.
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Document preview — HG/T 3642-1999
National Standard of the People's Republic of China
Issued by: National Development and Reform Commission
Contents
- Document data
1 Document data
Sector: Chemical Industry (industry standard).
Issuing body: National Development and Reform Commission.
Date of issue: 1999-08-12.
Date of implementation: 2000-10-01.
Status: obsolete, replaced by HG/T 3642-2016.
......
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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