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contributor authorمحمدحسین ارباب زوارen
contributor authorSomayeh Heydarien
contributor authorغلامحسین رونقیen
contributor authorMohammad Hossein Arbab Zavarfa
contributor authorGlamhossein Ronagifa
date accessioned2020-06-06T13:38:53Z
date available2020-06-06T13:38:53Z
date issued2017
identifier urihttps://libsearch.um.ac.ir:443/fum/handle/fum/3363410?show=full
description abstractPolypyrrole modified electrode prepared by electropolymerization of pyrrole in the presence of a complexing ligand, benzo-15-crown-5 (B15C5), was prepared and investigated as a La3+- selective electrode in acetonitrile. The potentiometric response of the electrode was linear within the La3+ concentration range 1 • 10_4 to 1 • 10_1 M with a Nernstian slope of 19.5 mV decade_1 in AN. The electrode was applied to study the complexation of the lanthanum (III) ion in acetonitrile with other basic solvent molecules (D) such as dimethyl sulfoxide, N,N-dimethylformamide, propylene carbonate, N,N,Diethylaniline and methanol. The successive complex formation constant (bi) and Gibbs energies of transfer (DGtr) of La3+ in AN in relation to such D were obtained.en
languageEnglish
titleA PPy-B15C5 modified lanthanum (III) electrode in acetonitrile and its thermodynamic applicationen
typeJournal Paper
contenttypeExternal Fulltext
subject keywordsPolypyrroleen
subject keywordsElectropolymerizationen
subject keywordsLanthanum-selective electrodeen
subject keywordsPotentiometryen
subject keywordsBenzo-15-crown-5en
journal titleArabian Journal of Chemistryfa
pages1429-1434
journal volume10
journal issue1
identifier linkhttps://profdoc.um.ac.ir/paper-abstract-1067188.html
identifier articleid1067188


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