Document Detail

Solid-phase extraction of gallium(III) with hydrophobic 8-quinolinol derivatives-impregnated resin from aqueous acidic and alkaline solutions.
MedLine Citation:
PMID:  19075478     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Solid-phase extraction (SPE) of gallium(III) with hydrophobic 8-quinolinol derivatives (HQs)-impregnated resin from aqueous acidic and alkaline solutions has been investigated. The HQs used were 7-(4-ethyl-1-methyloctyl)-8-quinolinol (HEMOQ), 5-octyloxymethyl-8-quinolinol (HO(8)Q), 2-methyl-5-octyloxymethyl-8-quinolinol (HMO(8)Q), 5-dioctylaminomethyl-8-quinolinol (HN(8)Q), 7-bromo-5-octyloxymethyl-8-quinolinol (HBrO(8)Q), and 5-(2-ethylhexyloxymethyl)-8-quinolinol (HOEHQ). Various factors affecting the SPE, such as the substituents of the HQs, HCl and NaOH concentrations in the aqueous phase, the HQ concentration in the resin, and the equilibration time were clarified. The extractability for gallium(III) from the aqueous solution became higher in the following order: HBrO(8)Q < HEMOQ < HO(8)Q < HN(8)Q < HMO(8)Q at 3 mol l(-1) HCl; HMO(8)Q < HO(8)Q < HOEHQ < HEMOQ < HN(8)Q < HBrO(8)Q at pH 0.4; HMO(8)Q < HO(8)Q asymptotically equal to HOEHQ < HN(8)Q < HEMOQ at 3 mol l(-1) NaOH.
Nahoko Hatori; Hisanori Imura; Akira Ohashi; Kousaburo Ohashi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Analytical sciences : the international journal of the Japan Society for Analytical Chemistry     Volume:  24     ISSN:  1348-2246     ISO Abbreviation:  Anal Sci     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-12-16     Completed Date:  2009-02-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511078     Medline TA:  Anal Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  1637-41     Citation Subset:  -    
Department of Environmental Sciences, Faculty of Science, Ibaraki University, Mito 310-8512, Japan.
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