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Differential pulse anodic stripping voltammetric determination of trace bismuth in minerals with nafion mercury film modified electrode
Author(s) -
Liu KuaiZhi,
Wu QingGro
Publication year - 1992
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.1140040510
Subject(s) - nafion , anodic stripping voltammetry , bismuth , stripping (fiber) , detection limit , electrode , mercury (programming language) , materials science , anode , coating , analytical chemistry (journal) , inorganic chemistry , chemistry , electrochemistry , chromatography , metallurgy , nanotechnology , composite material , computer science , programming language
An electrode for the differential pulse anodic stripping voltammetric determination of trace bismuth in mineral has been made by coating glassy carbon with Nafion. The sensitivity is enhanced by the ion‐exchange character of the Nafion film. A detection limit of 1 × 10 −11 M has been obtained after electrodeposition for 16 min. The overlapping interference of Sb is addressed successfully. The method is sensitive, simple, and relatively rapid, with good reproducibility.