GB/T 7731.4-1987
AbolishedMethods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content
钨铁化学分析方法 钼蓝光度法测定磷量
Application Summary AI generated
This standard specifies the molybdenum blue photometric method for determining phosphorus content in ferrotungsten. It is applied in the metallurgical industry for quality control and chemical analysis of ferrotungsten alloys, ensuring compliance with material specifications during production and procurement. The method is used in laboratory testing contexts to verify phosphorus levels, which affect the alloy's mechanical properties and performance in steelmaking applications.
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