Arabian Journal of Chemistry, ( ISI ), Volume (9), Year (2016-11) , Pages (1110-1116)

Title : ( The response behavior of PPy-DB18C6 electrode to terbium(III) in acetonitrile and its thermodynamic application )

Authors: Mohammad Hossein Arbab Zavar , somayeh heydari , Gholam hossein Ronaghi ,

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Abstract

Polypyrrole modified electrode prepared by electropolymerization of pyrrole in the presence of a complexing ligand, dibenzo-18-crown-6(DB18C6), was prepared and investigated as a Tb3+-selective electrode in acetonitrile. The potentiometric response of the electrode was linear within the Tb3+ concentration range 1 · 105–1 · 102 M with a Nernstian slope of 20.9 mVdecade1 in AN. The electrode was applied to study the complexation of the terbium(III) ion in acetonitrile with such other basic aprotic solvent molecules (D) as dimethyl sulfoxide, N,Ndimethyl formamide, propylene carbonate and pyridine. The successive complex formation constant (bi) and Gibbs energies of transfer (DGtr) of Tb3+ in AN in relation to such D were obtained

Keywords

, Polypyrrole; Electropolymerization; Terbium, selective electrode; Potentiometry; Dibenzo, 18, crown, 6
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@article{paperid:1031370,
author = {Arbab Zavar, Mohammad Hossein and Heydari, Somayeh and Ronaghi, Gholam Hossein},
title = {The response behavior of PPy-DB18C6 electrode to terbium(III) in acetonitrile and its thermodynamic application},
journal = {Arabian Journal of Chemistry},
year = {2016},
volume = {9},
month = {November},
issn = {1878-5352},
pages = {1110--1116},
numpages = {6},
keywords = {Polypyrrole; Electropolymerization; Terbium-selective electrode; Potentiometry; Dibenzo-18-crown-6},
}

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%0 Journal Article
%T The response behavior of PPy-DB18C6 electrode to terbium(III) in acetonitrile and its thermodynamic application
%A Arbab Zavar, Mohammad Hossein
%A Heydari, Somayeh
%A Ronaghi, Gholam Hossein
%J Arabian Journal of Chemistry
%@ 1878-5352
%D 2016

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