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Titanium(III)-haloamine titrations in aqueous sulphuric acid medium: Titrimetric and potentiometric methods

Sherigara, B S and Padmalatha, * (1995) Titanium(III)-haloamine titrations in aqueous sulphuric acid medium: Titrimetric and potentiometric methods. Indian Journal of Chemistry, 34A. pp. 326-329. ISSN 0975-0975

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Abstract

Titanium(III) species, generated from cathodic reduction of titanium(IV) sulphate using a perforated cylindrical copper cathode under nitrogen cover, have been haracterised by UV-visible spectra and by determination of redox potential of Ti(IV)-Ti(III) couple. Redox titrations of chloramine T, chloramine B, bromamine B, bromamine T, die oramine T, dichloramine B, dibromamine B and dibromamine T with titanium(lll) sulphate by volumetry with both visible and potentiometric end points, have been carried out. The monohalo- and dihalo-sulphonamides undergo 2 and 4 electron reductions respectively. These halo-sulphonamides have been used as back tit rants for establishing the. probable number of electrons involved in the titanium(lII) sulphate reduction of certain typical compounds like hydroxylamine, cydohexanoneoxime and p-nitrotoluene. Utility of titanium( III) as a reductant in the electro reduction processes and in analytical and kinetic studies have beenhighlighted,

Item Type: Article
Subjects: Engineering > MIT Manipal > Chemistry
Depositing User: MIT Library
Date Deposited: 30 May 2016 10:15
Last Modified: 30 May 2016 10:15
URI: http://eprints.manipal.edu/id/eprint/146216

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