Chinese Standard: GB/T 5195.6-2017

Fluorspar—Determination of phosphorus content—Photometric method

全国钢标准化技术委员会(SAC/TC 183)

GB/T 5195的本部分规定了用磷钼蓝分光光度法和钼蓝萃取分光光度法测定磷含量的方法。

本部分适用于萤石中磷含量的测定。磷钼蓝分光光度法测定范围（质量分数）为：0.002%～0.50%；钼蓝萃取分光光度法测定范围（质量分数）为：0.001%～0.30%。

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