YS/T 520.4-2006Methods for chemical analysis of gallium. The 4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of iron content (English PDF)
镓化学分析方法 4 7-二苯基-1 10-二氮杂菲光度法测定铁量
YS/T 520.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 520.4-2007 | Chemical analysis of gallium Part 4 Determination of iron content The 4 7-diphenyl-1 10-phenanthroline spectrophotometric method | Valid |
| YS/T 520.4-2006 | Methods for chemical analysis of gallium. The 4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of iron content | Obsolete |
YS/T 520.4-2006 is obsolete. It has been replaced by YS/T 520.4-2007. 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 520.4-2006 is the English-translated version of 镓化学分析方法 4 7-二苯基-1 10-二氮杂菲光度法测定铁量.
YS/T 520.4-2006 is the Chinese industry standard "Methods for chemical analysis of gallium. The 4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of iron 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 It is obsolete: it has been replaced by YS/T 520.4-2007.
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Document preview — YS/T 520.4-2006
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Status: obsolete, replaced by YS/T 520.4-2007.
......
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 520.5-2007 — Chemical analysis of gallium. Part 5: Determination of calcium content. The N2O-C2H2 falme atomic absorption spectral method
YS/T 520.3-2006 — Methods for chemical analysis of gallium. The chromazurol S-tetradecyl pyridine bromide photometric method for the determination of aluminum content
YS/T 520.5-2006 — Methods for chemical analysis of gallium. The N2O-C2H2 falme atomic absorption spectrophotometric method for the determination of calcium content
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YS/T 520.4-2006
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