GB/T 3654.5-1983Methods for chemical analysis of ferroniobium. The molybdenum blue photometric method for the determination of the phosphorus content (English PDF)
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
May 2, 1983
Implementation date
March 1, 1984
Scope
GB/T 3654.5-1983 (Methods for chemical analysis of ferroniobium. The molybdenum blue photometric method for the determination of the phosphorus content) is available as an English-translated PDF.
GB/T 3654.5-1983 — This Standard is applicable to the determination of phosphorus content of niobium iron. Measuring range: 0. 01 to 0. 50%.
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Document preview — GB/T 3654.5-1983
National Standard of the People's Republic of China
- ICS
- 77.1
- Classification
- H 11
Issued by: National Bureau of Standards
Contents
- What this standard covers1
- Document data2
What this standard covers
This Standard is applicable to the determination of phosphorus content of niobium iron. Measuring range: 0. 01 to 0. 50%.
Document data
International classification (ICS): 77.1.
Chinese classification (CCS): H11.
Estimated length of the Chinese original: 4,491 words.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 3 pages — is available in the English PDF.
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Related Standards
GB/T 3654.1-1983 — Methods for chemical analysis of ferroniobium. The paper chromatographic gravimetric method for the determination of niobium and tantalum content
GB/T 3654.10-2024 — Ferroniobium - Determination of aluminum content - EDTA titrimetric method
GB/T 3654.2-2008 — Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method
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GB/T 3654.5-1983
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