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Adsolubilization of Fluorocarbon Alcohols into Perfluoroheptanoate Admicelles Formed on Alumina

Sodium perfluoroheptanoate adsorption and adsolubilization of small aliphatic fluorocarbon alcohols into surface aggregates formed on alumina was investigated. Higher concentrations and increasing hydrophobicity of the adsolubilizate enhanced surfactant adsorption below the plateau region. Partition...

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Published in:	Langmuir 1997-08, Vol.13 (16), p.4267-4272
Main Authors:	Lai, Chung-Li, O'Rear, Edgar A, Harwell, Jeffrey H, Hwa, Michael J
Format:	Article
Language:	English
Subjects:	Chemistry Exact sciences and technology General and physical chemistry Solid-liquid interface Surface physical chemistry
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description	Sodium perfluoroheptanoate adsorption and adsolubilization of small aliphatic fluorocarbon alcohols into surface aggregates formed on alumina was investigated. Higher concentrations and increasing hydrophobicity of the adsolubilizate enhanced surfactant adsorption below the plateau region. Partitioned amounts of the fluorocarbon alcohols rose with the alcohol supernatant concentration and chain length. Aggregation numbers were estimated with the two-site adsolubilization model.
doi_str_mv	10.1021/la960366i
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source	American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects	Chemistry Exact sciences and technology General and physical chemistry Solid-liquid interface Surface physical chemistry
title	Adsolubilization of Fluorocarbon Alcohols into Perfluoroheptanoate Admicelles Formed on Alumina
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