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Electrochemical Detection in Thin‐Layer Chromatography (TLC): A Review and Application of Direct On‐Plate Square‐Wave Anodic Stripping Voltammetry for TLC
Author(s) -
Petrovic Steven C.,
King Dewey F.,
Dewald Howard D.
Publication year - 1998
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/(sici)1521-4109(199805)10:6<393::aid-elan393>3.0.co;2-7
Subject(s) - analyte , anodic stripping voltammetry , stripping (fiber) , chromatography , square wave , microelectrode , thin layer chromatography , voltammetry , anode , detection limit , electrode , analytical chemistry (journal) , electrochemistry , chemistry , materials science , physics , composite material , voltage , quantum mechanics
The use of square‐wave anodic stripping voltammetry (SWASV) as a direct on‐plate detection method for thin‐layer chromatography (TLC) is described. A commercially available carbon screen‐printed microelectrode array, complete with a reference and auxiliary electrode, was used to detect Cd 2+ , Cu 2+ and Pb 2+ during the chromatographic separation. Detection limits are typically less than 10 ng for each analyte. A comprehensive review of all on‐plate electrochemical detection methods for TLC is also provided.