GB/T 4702.3-1984Chromium metal -- The determination of phosphorus content -- Bismuth phosphate molybdenum blue spectrophotometric method (English PDF)
金属铬化学分析方法 钼蓝光度法测定磷量
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Level / Type
National · Recommended
Issue date
October 4, 1984
Implementation date
July 1, 2017
Scope
GB/T 4702.3-1984 is the English-translated version of 金属铬化学分析方法 钼蓝光度法测定磷量.
GB/T 4702.3-1984 — This part of GB/T 4702 specifies the determination of phosphorus content by bismuth phosphorus molybdenum blue spectrophotometry. This part is applicable to the determination of phosphorus content in metal chromium, the determination range (mass fraction). 0.002% ~ 0.040%.
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Document preview — GB/T 4702.3-1984
National Standard of the People's Republic of China
- ICS
- 77.100
- Classification
- H 11
- Replacing
- GB/T 4702.3-1984
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Contents
- Document data1
Document data
International classification (ICS): 77.100.
Chinese classification (CCS): H11.
Estimated length of the Chinese original: 7,747 words.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 4702.1-2016 — Chromium metal - Determination of chromium content - The ammonium ferrous sulfate titrimetric method
GB/T 4702.1-1984 — Chromium metal -- Determination of chromium content -- The ammonium ferrous sulfate titrimetric method
GB/T 4702.10-1985 — Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content
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GB/T 4702.3-1984
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