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Sensors 2013, 13(4), 4367-4377; doi:10.3390/s130404367

A Solid-Contact Ion Selective Electrode for Copper(II) Using a Succinimide Derivative as Ionophore

Faculty of Chemical Engineering and Environmental Protection, "Gheorghe Asachi" Technical University, 73 D. Mangeron Street, Iasi 700050, Romania
Sensors and Biosensors Group, Department of Chemistry, Universitat Autònoma de Barcelona, EdificiCn, Bellaterra 08193, Catalonia, Spain
Faculty of Electrical Engineering, "Gheorghe Asachi" Technical University, 53 D. Mangeron Street, Iasi 700050, Romania
Author to whom correspondence should be addressed.
Received: 8 February 2013 / Revised: 21 March 2013 / Accepted: 28 March 2013 / Published: 2 April 2013
(This article belongs to the Special Issue Novel Tools in Electrochemical Sensing)
View Full-Text   |   Download PDF [240 KB, uploaded 21 June 2014]   |  


All-solid-state sensors with polyvinyl chloride (PVC)-based membranes using off-the-shelf N-hydroxysuccinimide (NHS) and succinimide (Succ) ionophores were prepared using DOP (dioctyl phthalate) and NPOE (ortho-nitrophenyloctyl ether) as plasticizers. Good responses were obtained when NHS was used. The potentiometric response of the proposed electrode is independent of pH over the range 2–6. The electrode shows a fast response time of 0.25 s. The electrode exhibits a Super-Nernstian response, with 37.5 mV/decade, with a potentiometric detection limit of 4.4 µM. The proposed sensor revealed good selectivity towards a group of transition metal ions. View Full-Text
Keywords: copper; solid-contact electrode; PVC membrane; potentiometry; selectivity copper; solid-contact electrode; PVC membrane; potentiometry; selectivity

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Tutulea-Anastasiu, M.D.; Wilson, D.; del Valle, M.; Schreiner, C.M.; Cretescu, I. A Solid-Contact Ion Selective Electrode for Copper(II) Using a Succinimide Derivative as Ionophore. Sensors 2013, 13, 4367-4377.

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