Chinese Standard: GB/T 4702.3-2016

Chromiun metal—The determination of phosphorus content—Bismuth phosphate molybdenum blue spectrophotometric method

全国生铁及铁合金标准化技术委员会(SAC/TC 318)

GB/T 4702的本部分规定了铋磷钼蓝分光光度法测定磷含量。本部分适用于金属铬中磷含量的测定，测定范围(质量分数)：0.002%～0.040%。

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