HG/T 3540-1990Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method (English PDF)
工业循环冷却水中磷含量的测定 钼酸胺分光光度法
HG/T 3540 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| HG/T 3540-2011 | industrial circulating cooling water-determination of total phosphate | Obsolete |
| HG/T 3540-1990 | Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method | Obsolete |
HG/T 3540-1990 is obsolete. It has been replaced by HG/T 3540-2011. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
Industry · Recommended
Issue date
March 13, 1990
Implementation date
January 1, 1991
Scope
HG/T 3540-1990 is the English-translated version of 工业循环冷却水中磷含量的测定 钼酸胺分光光度法.
HG/T 3540-1990 is the Chinese industry standard "Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method".
It was issued on March 13, 1990, and took effect on January 1, 1991. It is obsolete: it has been replaced by HG/T 3540-2011.
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Document preview — HG/T 3540-1990
Contents
- Document data
1 Document data
Sector: Chemical Industry (industry standard).
Date of issue: 1990-03-13.
Date of implementation: 1991-01-01.
Status: obsolete, replaced by HG/T 3540-2011.
......
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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