GB/T 4333.2-1988Methods for chemical analysis of ferrosilicon. The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content (English PDF)
硅铁化学分析方法 铋磷钼蓝光度法测定磷量
GB/T 4333.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 4333.2-2023 | Ferrosilicon - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method | Valid |
| GB/T 4333.2-1988 | Methods for chemical analysis of ferrosilicon. The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content | Obsolete |
GB/T 4333.2-1988 is obsolete. It has been replaced by GB/T 4333.2-2023. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
September 20, 1988
Implementation date
January 1, 1990
Scope
GB/T 4333.2-1988 is the English-translated version of 硅铁化学分析方法 铋磷钼蓝光度法测定磷量.
GB/T 4333.2-1988 is the Chinese national standard "Methods for chemical analysis of ferrosilicon. The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content".
It was issued on September 20, 1988 by the State Bureau of Technical Supervision, and took effect on January 1, 1990. It is obsolete: it has been replaced by GB/T 4333.2-2023.
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Document preview — GB/T 4333.2-1988
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1988-09-20.
Date of implementation: 1990-01-01.
Status: obsolete, replaced by GB/T 4333.2-2023.
......
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 4333.3-1988 — Methods for chemical analysis of ferrosilicon. The potassium periodate photometric method for the determination of manganese content
GB/T 4333.1-1984 — Methods for chemical analysis of ferrosilicon. The perchloric acid dehydration-gravimetric method for the determination of silicon content
GB/T 4333.4-2007 — Ferrosilicon - Determination of aluminium content - The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method
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GB/T 4333.2-1988
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