Working chemical—General rules for assay—Weight titration(potentiometric method)
全国化学标准化技术委员会化学试剂分会(SAC/TC 63/SC 3)
本标准规定了用分析天平称量操作溶液或基准溶液的质量，以电位法确定终点的滴定分析方法。本方法测定结果的相对标准偏差为0.02%。
本标准适用于工作基准试剂的含量测定。
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