Abstract
Currently, polymer-inorganic composites became inspiration for the design of advanced synthetic materials. Exfoliation/intercalation method was used for the preparation of poly(2-methylaniline)V(III) tungstate nanofiber (POT-VOWO4) composite. The poly(2-methylaniline) into V(III) tungstate was mixed by different volume ratios. A characterization of composite was carried out by XPS, SEM, XRD, FTIR and simultaneous TGA studies. This composite was employed as sensor element in the preparation of ion selective membrane electrode in electrometric titrations by diffusion mechanism. By experiment, it was found that electrode had linear range (1.0 x 10(-1) M to 6.0 x 10(-6) M), good Nernstian response of 30.4 mV/decade change of Hg2+ concentration with working pH range of 3.0-8.0 having short response time of 20s. This electrode was used as indicator electrode for real samples analysis. (C) 2017 Elsevier B.V. All rights reserved.