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Anodic stripping voltammetry for the determination of trace iodide
Author(s) -
Guanghan Lu,
Min Yang,
Qifang Zheng,
Ailan Wang,
Zexiang Jin
Publication year - 1995
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.1140070617
Subject(s) - anodic stripping voltammetry , stripping (fiber) , trace (psycholinguistics) , iodide , voltammetry , chemistry , analytical chemistry (journal) , inorganic chemistry , environmental chemistry , materials science , electrode , electrochemistry , composite material , linguistics , philosophy
A carbon paste electrode is used for stripping voltammetry of trace iodide in a Britton–Robinson (B–R) buffer containing cetyltrimethyl ammonium bromide(CTMAB). The electrochemical behavior of I 2 BrR is described. In a solution containing 0.1 μg/mL iodide, the relative standard deviation for ten determinations is 3.3%, the peak height also varies linearly with the concentration of iodide over the range 0.05–0.25 μg/mL, and the detection limit is 0.03 μg/mL. This method has been used for the determination of iodide in table salt samples with 88–104% recovery.
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