GB/T 12690.1-2002Chemical analysis methods for non-RE impurity of rare earth metals and their oxides - Determination of carbon and sulfur contents - High frequency-infrared absorption method (English PDF)
稀土金属及其氧化物中非稀土杂质化学分析方法 高频-红外吸收法测定碳、硫量
GB/T 12690.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 12690.1-2022 | Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Part 1: Determination of carbon and sulfur contents - High frequency-infrared absorption method | Valid |
| GB/T 12690.1-2015 | Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides - Part 1: Determination of carbon and sulfur contents - High frequency-infrared absorption method | Obsolete |
| GB/T 12690.1-2002 | Chemical analysis methods for non-RE impurity of rare earth metals and their oxides - Determination of carbon and sulfur contents - High frequency-infrared absorption method | Obsolete |
GB/T 12690.1-2002 is obsolete. It has been replaced by GB/T 12690.1-2015. 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 19, 2002
Implementation date
June 1, 2003
Scope
GB/T 12690.1-2002 is the English-translated version of 稀土金属及其氧化物中非稀土杂质化学分析方法 高频-红外吸收法测定碳、硫量.
GB/T 12690.1-2002 is the Chinese national standard "Chemical analysis methods for non-RE impurity of rare earth metals and their oxides - Determination of carbon and sulfur contents - High frequency-infrared absorption method".
It was issued on November 19, 2002 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 June 1, 2003. It is obsolete: it has been replaced by GB/T 12690.1-2015.
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Document preview — GB/T 12690.1-2002
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: 2002-11-19.
Date of implementation: 2003-06-01.
Status: obsolete, replaced by GB/T 12690.1-2015.
......
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
Cited by
- GB/T 36398-2018Lanthanum cerium-magnesium alloy
- GB/T 36541-2018Cerium-aluminium alloys
- GB/T 12690.5-2017Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides - Part 5: Determination of cobalt, manganese, lead, nickel, copper, zinc, aluminium, chromium, magnesium, cadmium, vanadium and iron
- XB/T 402-2016Scandium aluminum alloy
- XB/T 405-2016Cerium alloy
- GB/T 12690.2-2015Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides - Part 2: Determination of the loss on ignition of rare earth oxides - Gravimetric method
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Related Standards
GB/T 12690.2-2015 — Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides - Part 2: Determination of the loss on ignition of rare earth oxides - Gravimetric method
GB/T 12690.2-2002 — Chemical analysis methods for non-RE impurity of rare earth metals and their oxides - Determination of ignition loss content of rare earth oxides - Gravimetric method
GB/T 12690.3-2015 — Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides - Part 3: Determination of the water content of rare earth oxides - Gravimetric method
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GB/T 12690.1-2002
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