This paper introduced the indirect determination of polyphosphate in laundry powder by potentiometric titration, the method is featured of simple, rapid and reliable.
用强酸分解洗衣粉中的聚磷酸盐，以电位滴定法间接测定其中的聚磷酸盐含量。
During the production, determination of SO_2 (sulphur dioxide) in dry red wine using potentiometric titration avoids the end-point recognition difficulty compared with using iodometry method.
在生产中利用电位滴定法测定干红葡萄酒中SO_2的含量，避免了直接碘量法终点识别的困难。
A novel differential potentiometric stripping analysis (DPSA) was developed for the determination of Cd with bismuth-film electrode via standard addition method.
建立了环境样品中生物可利用镉的镀铋膜电极微分电位溶出分析法(DPSA)，考察了同位镀铋膜测定镉的条件。
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