Determination of Cd2+ in aqueous solution using polyindole-Ce(IV) vanadophosphate conductive nanocomposite ion-selective membrane electrode

Khan, A.A. and Khan, M.Q. and Hussain, R. (2017) Determination of Cd2+ in aqueous solution using polyindole-Ce(IV) vanadophosphate conductive nanocomposite ion-selective membrane electrode. Materials Research Express, 4 (9). ISSN 20531591

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Official URL: http://iopscience.iop.org/article/10.1088/2053-159...

Abstract

In the present study an organic-inorganic nanocomposite ion exchanger Polyindole-Ce(IV) vanadophosphate (PIn-CVP) was synthesized via sol-gel process showing excellent ion exchange capacity (IEC?1.90 meqg-1). The material was characterized by SEM, TEM, XRD, FTIR, and TGA. A heterogeneous ion exchange membrane of PIn-CVP (IEC?0.90 meqg-1) was also prepared by solution casting method. PIn-CVP shows high electrical conductivity (5.5 × 10-2 S cm-1) and it is stable up to 120 °C under ambient conditions. Cd2+ selective membrane electrode was fabricated and its linear working range (3.98 × 10-7 M to 1.0 × 10-1 M), response time (25 s), Nerstian slope 25.00 mV dec-1 and working pH range (4-7) were calculated. It was employed as an indicator electrode in the potentiometric titration of Cd2+.

Item Type: Article
Uncontrolled Keywords: Electroactive material; Ion-exchange membrane; Ion-exchanger; Ion-selective electrode; Nanocomposites; Semiconductors
Subjects: T Technology > T Technology (General)
Divisions: Faculties > Faculty of Engineering and Technology > Zakir Husain College of Engineering & Technology > Department of Applied Chemistry
Depositing User: AMU Library
Date Deposited: 07 Feb 2018 04:19
Last Modified: 07 Feb 2018 04:53
URI: http://ir.amu.ac.in/id/eprint/11154

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