Electrochemical sample preparation for the determination of Cd, Pb, and Cu in the presence of surfactants by stripping voltammetry

L. D. Svintsova, Nina Nikolaevna Chernyshova

Research output: Contribution to journalArticlepeer-review

Abstract

The electrochemical pretreatment of aqueous solutions of synthetic surfactants in a diaphragm electrolyzer was used in order to diminish surfactant interference. The determination of cadmium, lead, and copper by stripping voltammetry with a mercury-film electrode in model solutions of cetylpyridinium chloride, sodium lauryl sulfate, and OP-10 was taken as an example. It was found that the reproducibility of anodic peaks of the elements was improved, and the linearity of calibration characteristics was recovered; however, the sensitivity was not always as high as in the blank experiment.

Original languageEnglish
Pages (from-to)831-836
Number of pages6
JournalJournal of Analytical Chemistry
Volume52
Issue number9
Publication statusPublished - 1997

ASJC Scopus subject areas

  • Analytical Chemistry

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