International Organization for Standardization (ISO)
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ISO 4741:1984
Scope
The method is applicable to the determination of phosphorus contents between 0.000 5 and 0.5 % (m/m). ISO 4741 specifies principle, reagents, apparatus, procedure, expression of results and test report.
ISO 4741:1984 history
1984ISO 4741:1984 Copper and copper alloys; Determination of phosphorus content; Molybdovanadate spectrometric method