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Voltammetric and Amperometric Determination of Mixtures of Aminobiphenyls and Aminonaphthalenes Using Boron Doped Diamond Electrode
Author(s) -
Zavázalová Jaroslava,
Dejmková Hana,
Barek Jiří,
Pecková Karolina
Publication year - 2013
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.201200424
Subject(s) - amperometry , diamond , electrode , detection limit , extraction (chemistry) , chromatography , analyte , solid phase extraction , analytical chemistry (journal) , boron , chemistry , materials science , electrochemistry , organic chemistry
An anodically pretreated boron‐doped diamond (BDD) electrode was used for the voltammetric and amperometric determination of the genotoxic pollutants 2‐aminobiphenyl, 4‐aminobiphenyl, 1‐aminonaphthalene, and 2‐aminonaphthalene. Their simultaneous voltammetric determination is only possible when the difference of the peak potentials of the particular analytes is higher than ca. 140 mV. Their complete separation using high performance liquid chromatography (HPLC) with amperometric detection at a BDD film electrode in wall‐jet arrangement results in limits of detection in the 10 −8 mol L −1 concentration range and can be lowered to nanomolar concentrations, as demonstrated by their determination in azo dye sunset yellow using solid‐phase extraction at Lichrolut EN cartridges.