GB 6730.12-1986Methods for chemical analysis of iron ores; The chrome azurol S photometric method for the determination of aluminum content (English PDF)
铁矿石化学分析方法 铬天青S光度法测定铝量
GB 6730.12 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 6730.12-2016 | Iron ores-Determination of aluminum content- Chrome azurol S spectrophotometric method | Valid |
| GB 6730.12-1986 | Methods for chemical analysis of iron ores; The chrome azurol S photometric method for the determination of aluminum content | Obsolete |
GB 6730.12-1986 is obsolete. It has been replaced by GB/T 6730.12-2016. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Standards Bureau
Level / Type
National · Mandatory
Issue date
August 19, 1986
Implementation date
August 1, 1987
Scope
GB 6730.12-1986 is the English-translated version of 铁矿石化学分析方法 铬天青S光度法测定铝量.
GB 6730.12-1986 is the Chinese national standard "Methods for chemical analysis of iron ores; The chrome azurol S photometric method for the determination of aluminum content".
It was issued on August 19, 1986 by the National Standards Bureau, and took effect on August 1, 1987. It is obsolete: it has been replaced by GB/T 6730.12-2016.
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Document preview — GB 6730.12-1986
National Standard of the People's Republic of China
Issued by: National Standards Bureau
Contents
- Document data
1 Document data
Sector: National standard (Mandatory).
Issuing body: National Standards Bureau.
Date of issue: 1986-08-19.
Date of implementation: 1987-08-01.
Status: obsolete, replaced by GB/T 6730.12-2016.
......
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 6730.14-1986 — Methods for chemical analysis of iron ores; The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content
GB 6730.11-1986 — Methods for chemical analysis of iron ores; The fluoride replacement complexometric method for the determination of aluminum content
GB 6730.16-1986 — Methods for chemical analysis of iron ores - The barium sulfate gravimetric method for the determination of sulfur content
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GB 6730.12-1986
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