Document Detail

Uptake of benzene and alkylbenzenes by cation- and anion-exchange resins from aqueous solutions.
MedLine Citation:
PMID:  16772693     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Uptakes of benzene and 12 alkylbenzenes (from toluene to n-pentylbenzene including xylene and trimethylbenzene isomers) by both strong acid cation (Dowex 50W-X4 and X8) and strong base anion (Dowex 1-X4 and X8) exchange resins have been studied in aqueous solutions at 25 degrees C; their distribution constants (K) have been determined. The relationship between the octanol-water partition coefficient (K(ow)) and the resin affinity for solutes has been analyzed. The K values of benzene and alkylbenzenes were larger than the K values of aliphatic hydrocarbons expected from the K(ow) values. While the K value was increased with the alkyl chain length, no further increase in the K value was observed for n-butylbenzene and n-pentylbenzene.
Isao Sanemasa
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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:  22     ISSN:  0910-6340     ISO Abbreviation:  Anal Sci     Publication Date:  2006 Jun 
Date Detail:
Created Date:  2006-06-14     Completed Date:  2007-05-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511078     Medline TA:  Anal Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  899-901     Citation Subset:  -    
Department of Science, Faculty of Science, Kumamoto University, Kurokami, Kumamoto, Japan.
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