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Adsorption of oil into surfactant monolayers and structure of mixed surfactant plus oil films

Abstract:

We describe a tensiometric method for determining the adsorption isotherm of an oil on a surfactant monolayer adsorbed at the air-water surface. The method involves measuring the surface pressure of oil, π(oil), as a function of its activity, a(oil), varied by changing the relative vapour pressure. We compare the isotherm of dodecane adsorption onto a C12E5 monolayer determined in this way with that measured directly using neutron reflectivity. The agreement between the two allows us to concl...

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Publication status:
Published

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Journal:
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS More from this journal
Volume:
146
Issue:
1-3
Pages:
299-313
Publication date:
1999-01-15
DOI:
ISSN:
0927-7757
Language:
English
Keywords:
Pubs id:
pubs:36841
UUID:
uuid:fc3f81a9-cfa3-43ca-b9a4-5b34960271a2
Local pid:
pubs:36841
Source identifiers:
36841
Deposit date:
2012-12-19

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