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Binding of dialkylated disulfonated diphenyl oxide surfactant onto alumina in the aqueous phase
MedLine Citation:
PMID:  10903087     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Adsorption of a gemini surfactant that has two monomers and a spacer in a molecule (dialkylated disulfonated diphenyl oxide with alkyl chain lengths of twelve, DADS-C12) onto positively-charged aluminum oxide in water was studied and compared with a single-monomer anionic surfactant (sodium dodecylbenzene sulfonate, SDDBS). More mass of the gemini surfactant was adsorbed than the conventional single-monomer SDDBS. Fewer moles of the first were bound to the substrate than the second indicating that larger molecular structure of the gemini surfactant does not hinder the sorption. Both surfactants followed similar sorption mechanisms, however, stronger hydrophobic interactions were shown in the bilayer formation of the adsorbed gemini surfactant.
Authors:
Neupane; Park
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Chemosphere     Volume:  38     ISSN:  1879-1298     ISO Abbreviation:  Chemosphere     Publication Date:  1999 Jan 
Date Detail:
Created Date:  2000-07-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0320657     Medline TA:  Chemosphere     Country:  ENGLAND    
Other Details:
Languages:  Eng     Pagination:  1-12     Citation Subset:  -    
Affiliation:
Department of Civil Engineering, University of Hawaii at Manoa, Honolulu 96822, USA.
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