Extraction and stripping study of strontium ions across D2EHPA-TBP-kerosene oil based supported liquid membranes

M. Chaudry; Noor-Ul-Islam; Iftikhar Ahmad

doi:10.1007/bf02041309

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 185: Issue 2

Extraction and stripping study of strontium ions across D2EHPA-TBP-kerosene oil based supported liquid membranes

Authors:

M. Chaudry

M. Chaudry Pakistan Institute of Nuclear Science and Technology Nilore P.O. Box No. 1356 Islamabad Pakistan

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Noor-Ul-Islam

Noor-Ul-Islam Pakistan Institute of Nuclear Science and Technology Nilore P.O. Box No. 1356 Islamabad Pakistan

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, and

Iftikhar Ahmad

Iftikhar Ahmad Pakistan Institute of Nuclear Science and Technology Nilore P.O. Box No. 1356 Islamabad Pakistan

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Pages:: 369–385

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Dec 1994

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02041309

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Abstract

A Sr ion transport study across D2EHPA-TBP kerosene oil based liquid membranes supported on microporous polypropylene film has been performed. The parameters studied were the effect of di(2-ethylhexyl)phosphoric acid (D2EHPA) and TBP concentration variation in the membrane liquid, HNO₃ concentration variation in the stripping phase and citric acid concentration variation in the feed solution. The optimum conditions of transport are 0.3 mol/dm³ D2EHPA, 0.1 mol/dm³ TBP, 0.01 mol/dm³ citric acid in feed and 2 mol/dm³ HNO₃ in the stripping phase. The mechanism of transport observed is counter-ion coupled transport. The coupling ions are protons. The maximum flux for Sr ion transport observed is 5.33·10^–5 mol·m^–2·s^–1 and maximum permeability under optimum conditions observed is 8.08·10^–11 m^–2·s^–1.

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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)