| Extraction Equilibrium of Indium(III) from Nitric Acid Solutions by Di(2-ethylhexyl)phosphoric Acid Dissolved in Kerosene. | |
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MedLine Citation:
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PMID: 22217554 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The extraction equilibrium of indium(III) from a nitric acid solution using di(2-ethylhexyl) phosphoric acid (D2EHPA) as an acidic extractant of organophosphorus compounds dissolved in kerosene was studied. By graphical and numerical analysis, the compositions of indium-D2EHPA complexes in organic phase and stoichiometry of the extraction reaction were examined. Nitric acid solutions with various indium concentrations at 25 °C were used to obtain the equilibrium constant of InR(3) in the organic phase. The experimental results showed that the extraction distribution ratios of indium(III) between the organic phase and the aqueous solution increased when either the pH value of the aqueous solution and/or the concentration of the organic phase extractant increased. Finally, the recovery efficiency of indium(III) in nitric acid was measured. |
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Authors:
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Hung-Sheng Tsai; Teh-Hua Tsai |
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Publication Detail:
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Type: Journal Article Date: 2012-01-04 |
Journal Detail:
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Title: Molecules (Basel, Switzerland) Volume: 17 ISSN: 1420-3049 ISO Abbreviation: Molecules Publication Date: 2012 |
Date Detail:
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Created Date: 2012-01-05 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100964009 Medline TA: Molecules Country: Switzerland |
Other Details:
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Languages: eng Pagination: 408-19 Citation Subset: IM |
Affiliation:
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Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan. divo.tsai@msa.hinet.net. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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