GB/T 6730.24-2006Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method (English PDF)
铁矿石 稀土总量的测定 萃取分离-偶氮氯膦mA分光光度法
GB/T 6730.24 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 6730.24-2025 | Iron ores - Determination of total rare earth contents - Arsenazo Ⅲ spectrophotometric method | Valid |
| GB/T 6730.24-2006 | Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method | Obsolete |
GB/T 6730.24-2006 is obsolete. It has been replaced by GB/T 6730.24-2025. 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; Standardization Administration of China
Level / Type
National · Recommended
Issue date
November 1, 2006
Implementation date
February 1, 2007
Scope
GB/T 6730.24-2006 is the English-translated version of 铁矿石 稀土总量的测定 萃取分离-偶氮氯膦mA分光光度法.
GB/T 6730.24-2006 is the Chinese national standard "Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method".
It was issued on November 1, 2006 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on February 1, 2007. It is obsolete: it has been replaced by GB/T 6730.24-2025.
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Document preview — GB/T 6730.24-2006
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; Standardization Administration 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; Standardization Administration of China.
Date of issue: 2006-11-01.
Date of implementation: 2007-02-01.
Status: obsolete, replaced by GB/T 6730.24-2025.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 6730.25-2021 — Iron ores—Determination of total rare earth contents—Oxalate gravimetric method
GB/T 6730.23-1986 — Methods for chemical analysis of iron ores--The ferric ammonium sulfate volumetric method for the determination of titanium content
GB/T 6730.25-2006 — Iron ores - Determination of total rare earth contents - Oxalate gravimetric method
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GB/T 6730.24-2006
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