GB/T 4702.3-2016
ActiveChromiun metal—The determination of phosphorus content—Bismuth phosphate molybdenum blue spectrophotometric method
金属铬 磷含量的测定 铋磷钼蓝分光光度法
Application Summary AI generated
This standard specifies a spectrophotometric method for determining the phosphorus content in chromium metal, using bismuth phosphate molybdenum blue complex formation. It is applied in the metallurgical industry for quality control and chemical analysis of chromium metal and its alloys, particularly during production and material certification processes. The method is suitable for phosphorus content ranges typically found in high-purity chromium used in specialty steel and superalloy manufacturing.
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