YB/T 159.4-1999Methods for chemical analysis of titanium concentrate (rock minerals). The bismuth phosphomoly bdate blue spectrophotometric method for the determination of phosphorus content (English PDF)
钛精矿(岩矿)化学分析方法 铋磷钼蓝分光光度法测定磷含量
YB/T 159.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YB/T 159.4-2015 | Titanium concentrate(rock minerals). Determination of phosphorus content. The bismuth phosphomoly bdate blue spectrophotometric method | Valid |
| YB/T 159.4-1999 | Methods for chemical analysis of titanium concentrate (rock minerals). The bismuth phosphomoly bdate blue spectrophotometric method for the determination of phosphorus content | Obsolete |
YB/T 159.4-1999 is obsolete. It has been replaced by YB/T 159.4-2015. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
China Administration of Metallurgical Industry
Level / Type
National · Recommended
Issue date
August 19, 1999
Implementation date
January 1, 2000
Scope
YB/T 159.4-1999 is the English-translated version of 钛精矿(岩矿)化学分析方法 铋磷钼蓝分光光度法测定磷含量.
YB/T 159.4-1999 is the Chinese industry standard "Methods for chemical analysis of titanium concentrate (rock minerals). The bismuth phosphomoly bdate blue spectrophotometric method for the determination of phosphorus content".
It was issued on August 19, 1999 by China Administration of Metallurgical Industry, and took effect on January 1, 2000. It is obsolete: it has been replaced by YB/T 159.4-2015.
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Document preview — YB/T 159.4-1999
National Standard of the People's Republic of China
Issued by: China Administration of Metallurgical Industry
Contents
- Document data
1 Document data
Sector: Ferrous Metallurgy (industry standard).
Issuing body: China Administration of Metallurgical Industry.
Date of issue: 1999-08-19.
Date of implementation: 2000-01-01.
Status: obsolete, replaced by YB/T 159.4-2015.
......
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
YB/T 159.5-2025 — Titanium concentrate(rock minerals) - Determination of sulfur content - The combustion iodometric method and infrared absorption method
YB/T 159.3-1999 — Methods for chemical analysis of titanium concentrate (rock minerals). The potassium dichromate volumetric method for the determination of ferrous oxide content
YB/T 159.5-2015 — Titanium concentrate(rock minerals). Determination of sulfur content. The combustion iodometric method
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