Transport of titanium(IV) ions across di-2-ethylhexylphosphoric acid-CCl4 supported liquid membranes

M. Chaudry; M. Malik; Munir Ahmad

doi:10.1007/bf02039786

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 157: Issue 1

Transport of titanium(IV) ions across di-2-ethylhexylphosphoric acid-CCl₄ supported liquid membranes

Authors:

M. Chaudry

M. Chaudry Pakistan Institute of Nuclear Science and Technology Nilore Islamabad (Pakistan)

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M. Malik

M. Malik Baha-ud-Din Zakria University Chemistry Department Multan (Pakistan)

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Munir Ahmad

Munir Ahmad Baha-ud-Din Zakria University Chemistry Department Multan (Pakistan)

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Pages:: 143–158

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Feb 1992

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02039786

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Abstract

Transport study for Ti(IV) ions using di-2-ethylhexylphosphoric acid (D2EHPA) (carrier)-CCl₄ (diluent) liquid supported membrane in microporous polypropylene hydrophobic film has been performed. The parameters studied are effects of carrier, H₂SO₄, stripping agent (NH₄F) concentrations and temperature variation on flux and permeability coefficients of the metal ion. The optimum concentrations of transport found are 2.04 mol·dm^–3 D2EHPA, 1.0 mol·dm^–3 H₂SO₄ in the feed and 1 mol·dm^–3 NH₄F as stripping agent. The maximum flux and permeability coefficient determined are 1.32·10^–5 mol·m^–2·s^–1 and 8.02·10^–12 mol·m^–2·s^–1, respectively. The transport of this metal ion is increased with increase in temperature. The mechanism of transport appears to be based on coupled counter ion transport phenomenon.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)