GB/T 6150.9-1985Methods for chemical analysis of tungsten concentrates--The chlorosulphophenol S photometric method for the determination niobium content--The butylrhodamine B extraction photometric method for the determinati (English PDF)
钨精矿化学分析方法 氯代磺酚S 光度法测定铌量 丁基罗丹明B 萃取光度法测定钽量
GB/T 6150.9 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 6150.9-2009 | Methods for chemical analysis of tungsten concentrates - Determination of copper content - Flame atomic absorption spectrometry | Valid |
| GB/T 6150.9-1985 | Methods for chemical analysis of tungsten concentrates--The chlorosulphophenol S photometric method for the determination niobium content--The butylrhodamine B extraction photometric method for the determinati | Obsolete |
GB/T 6150.9-1985 is obsolete. It has been replaced by GB/T 6150.9-2009. 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
June 21, 1985
Implementation date
June 1, 1986
Scope
GB/T 6150.9-1985 is the English-translated version of 钨精矿化学分析方法 氯代磺酚S 光度法测定铌量 丁基罗丹明B 萃取光度法测定钽量.
GB/T 6150.9-1985 is the Chinese national standard "Methods for chemical analysis of tungsten concentrates--The chlorosulphophenol S photometric method for the determination niobium content--The butylrhodamine B extraction photometric method for the determinati".
It was issued on June 21, 1985 by the National Bureau of Standards, and took effect on June 1, 1986. It is obsolete: it has been replaced by GB/T 6150.9-2009.
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Document preview — GB/T 6150.9-1985
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: 1985-06-21.
Date of implementation: 1986-06-01.
Status: obsolete, replaced by GB/T 6150.9-2009.
......
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 6150.10-2023 — Methods for chemical analysis of tungsten concentrates—Part 10: Determination of lead content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry
GB/T 6150.8-1985 — Methods for chemical analysis of tungsten concentrates--The gravimetric method for the determination hygroscopic moisture content
GB/T 6150.10-2008 — Methods for chemical analysis of tungsten concentrates - Determination of lead content - Flame atomic absorption spectrometric method
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GB/T 6150.9-1985
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