Double-armed calix[4]arene amide derivatives as ionophores for lead ion-selective electrodes

A number of double-armed calix[4]arene amide derivatives ( 1– 7) have been tested as the neutral ionophores for lead ion-selective electrodes. The electrodes based on ionophores 1– 7 except 5, 6 with dioctyl phthalate (DOP) as a plasticizer exhibit a close theoretical Nernstian response for Pb 2+ ov...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2006-04, Vol.589 (1), p.106-111
Main Authors: Chen, Langxing, Zhang, Jia, Zhao, Wenfeng, He, Xiwen, Liu, Yu
Format: Article
Language:English
Subjects:
Analytical chemistry
Calixarene derivatives
Chemistry
Exact sciences and technology
General, instrumentation
Ion-selective electrode
Lead
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Summary:A number of double-armed calix[4]arene amide derivatives ( 1– 7) have been tested as the neutral ionophores for lead ion-selective electrodes. The electrodes based on ionophores 1– 7 except 5, 6 with dioctyl phthalate (DOP) as a plasticizer exhibit a close theoretical Nernstian response for Pb 2+ over a relatively wide concentration range (1 × 10 −6–1 × 10 −1 M), a fast response time (
ISSN:1572-6657
1873-2569
DOI:10.1016/j.jelechem.2006.02.001