GB/T 10267.4-1988Method for analysis of calcium metal. The determination of aluminium by oxine chloroform extraction photometric method (English PDF)
金属钙分析方法 8-羟基喹啉-三氯甲烷萃取分光光度法测定铝
GB/T 10267.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 10267.4-2025 | Methods for analysis of calcium metal—Part 4:Determination of aluminum by 8-hydroxyquinoline-trichloromethane extraction spectrophotometry | Valid |
| GB/T 10267.4-1988 | Method for analysis of calcium metal. The determination of aluminium by oxine chloroform extraction photometric method | Obsolete |
GB/T 10267.4-1988 is obsolete. It has been replaced by GB/T 10267.4-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
January 2, 1988
Implementation date
October 1, 1989
Scope
GB/T 10267.4-1988 is the English-translated version of 金属钙分析方法 8-羟基喹啉-三氯甲烷萃取分光光度法测定铝.
GB/T 10267.4-1988 is the Chinese national standard "Method for analysis of calcium metal. The determination of aluminium by oxine chloroform extraction photometric method".
It was issued on January 2, 1988 by the National Bureau of Standards, and took effect on October 1, 1989. It is obsolete: it has been replaced by GB/T 10267.4-2025.
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Document preview — GB/T 10267.4-1988
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1988-01-02.
Date of implementation: 1989-10-01.
Status: obsolete, replaced by GB/T 10267.4-2025.
......
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
GB/T 10267.5-2025 — Methods for analysis of calcium metal - Part 5: Determination of nitrogen by distillation-Nessler spectrophotometry
GB/T 10267.3-1988 — Method for analysis of calcium metal--The direct determination of iron, nickel, copper, manganese and magnesium in calcium metal by atomic absorption spectrometry
GB/T 10267.5-1988 — Method for analysis of calcium metal. The determination of nitrogen by distillation. Nessler reagent photometric method
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GB/T 10267.4-1988
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