YS/T 520.1-2006Methods for chemical analysis of gallium. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of copper content (English PDF)
镓化学分析方法 2 9-二甲基-4 7-二苯基-1 10-二氮杂菲光度法测定铜量
YS/T 520.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 520.1-2007 | Chemical analysis of gallium Part 1 Determination of copper content The 2 9-dimethyl-4 7-diphenyl-1 10-phenanthroline spectrophotometric method | Valid |
| YS/T 520.1-2006 | Methods for chemical analysis of gallium. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of copper content | Obsolete |
YS/T 520.1-2006 is obsolete. It has been replaced by YS/T 520.1-2007. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Recommended
Issue date
July 27, 2006
Implementation date
October 11, 2006
Scope
YS/T 520.1-2006 is the English-translated version of 镓化学分析方法 2 9-二甲基-4 7-二苯基-1 10-二氮杂菲光度法测定铜量.
YS/T 520.1-2006 is the Chinese industry standard "Methods for chemical analysis of gallium. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of copper content".
It was issued on July 27, 2006, and took effect on October 11, 2006. It is obsolete: it has been replaced by YS/T 520.1-2007.
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Document preview — YS/T 520.1-2006
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Date of issue: 2006-07-27.
Date of implementation: 2006-10-11.
Status: obsolete, replaced by YS/T 520.1-2007.
......
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
YS/T 520.2-2007 — Chemical analysis of gallium. Part 2: Determination of lead content. The 4-(2-pyridy lazo)-resorcinol spectrophotometric method
YS/T 520.2-2006 — Methods for chemical analysis of gallium. The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead content
YS/T 520.3-2007 — Chemical analysis of gallium. Part 3: Determination of aluminum content. The chromazurol S-tetradecyl pyridine bromide spectrophotometric method
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YS/T 520.1-2006
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