Novel Perchlorate Selective Electrode Based on Neutral Surfactant Ion-Pair Complex of Dodecyltrimethylammonium-Perchlorate

Novel perchlorate selective polymeric membrane electrode based on recently synthesized neutral ion-pair complex dodecyltrimethylammonium-perchlorate ( ) has been reported to be exhibiting Nernstian slope (−57.34 mV/dec) for perchlorate ions over a wide concentration range (1.00 × 10 −1  M-5.00 × 10...

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Bibliographic Details
Published in:Analytical letters 2010-01, Vol.43 (13), p.2114-2124
Main Authors: Mahajan, Rakesh Kumar, Nandni, Durgesh, Puri, Rajiv Kumar
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Dodecyltrimethylammonium-perchlorate ion-pair complex
Electrochemical methods
Electrodes
Exact sciences and technology
Mathematical analysis
Perchlorate selective electrode
Perchlorates
Polymeric membrane electrode
Potentiometric estimation
Surfactants
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Summary:Novel perchlorate selective polymeric membrane electrode based on recently synthesized neutral ion-pair complex dodecyltrimethylammonium-perchlorate ( ) has been reported to be exhibiting Nernstian slope (−57.34 mV/dec) for perchlorate ions over a wide concentration range (1.00 × 10 −1  M-5.00 × 10 −6  M) with lower detection limit of 2.51 × 10 −6  M. Proposed electrode has fast response time (10 s) and wide pH range (1.40-6.05). Selectivity coefficient values indicate its ability to preferentially sense perchlorate ions in presence of various secondary anions. Application of the proposed electrode has been studied by potentiometric estimation of perchlorate ions in synthetic water samples.
ISSN:0003-2719
1532-236X
DOI:10.1080/00032711003704271