GB/T 10267.5-1988Method for analysis of calcium metal. The determination of nitrogen by distillation. Nessler reagent photometric method (English PDF)
金属钙分析方法 蒸馏-奈斯勒试剂光度法测定氮
GB/T 10267.5 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 10267.5-2025 | Methods for analysis of calcium metal—Part 5：Determination of nitrogen by distillation-Nessler spectrophotometry | Valid |
| GB/T 10267.5-1988 | Method for analysis of calcium metal. The determination of nitrogen by distillation. Nessler reagent photometric method | Obsolete |
GB/T 10267.5-1988 is obsolete. It has been replaced by GB/T 10267.5-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Level / Type
National · Recommended
Issue date
January 2, 1988
Implementation date
October 1, 1989
Scope
GB/T 10267.5-1988 is the English-translated version of 金属钙分析方法 蒸馏-奈斯勒试剂光度法测定氮.
GB/T 10267.5-1988 is the Chinese national standard "Method for analysis of calcium metal. The determination of nitrogen by distillation. Nessler reagent photometric method".
It was issued on January 2, 1988 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, and took effect on October 1, 1989. It is obsolete: it has been replaced by GB/T 10267.5-2025.
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Document preview — GB/T 10267.5-1988
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China.
Date of issue: 1988-01-02.
Date of implementation: 1989-10-01.
Status: obsolete, replaced by GB/T 10267.5-2025.
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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 10267.4-1988 — Method for analysis of calcium metal. The determination of aluminium by oxine chloroform extraction photometric method
GB/T 10267.4-2025 — Methods for analysis of calcium metal - Part 4:Determination of aluminum by 8-hydroxyquinoline-trichloromethane extraction 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
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GB/T 10267.5-1988
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