A novel substitutive differential potentiometric stripping analysis (DPSA) for the determination of Pb via bismuth-film electrode by standard addition method was proposed.
研究了镀铋膜电极替代镀汞膜电极的微分电位溶出分析法(DPSA)测定铅的方法，考察了同位镀铋膜测定铅的条件。
Thecontents of metal impurities in the bismuth products obtain the standards of the analysis reagent and the contents of anions obtain the standard of the grade of chemical purity.
然后再由铋精矿制取铋的化工产品，这些铋品中的金属杂质元素含量都达到分析纯要求，有少量产品阴离子纯度有待提高。
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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