Chinese Standard: GB/T 9727-2007

Chemical reagent—General method for the determination of phosphate

NEQ  ISO 6353-1:1982

全国化学标准化技术委员会化学试剂分会(SAC/TC 63/SC 3)

本标准规定了用萃取磷钼蓝比色法测定磷酸盐的通用方法。
本标准适用于化学试剂中微量正磷酸盐的测定。分光光度法或目视比色法的检测范围在乙酸丁酯中为0.2 μg/mL～2 μg/mL (以PO4计)。

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