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Adsorption of methyl ester sulfonate at the air-water interface: can limitations in the application of the Gibbs equation be overcome by computer purification?

Abstract:

We describe a new laboratory synthesis of the α-methyl ester sulfonates based on direct sulfonation of the methyl ester by SO3 introduced from the vapor phase. This was used to synthesize a chain deuterated sample of αC14MES, which was then used to measure the surface excess of αC14MES directly at the air/water interface over a wide range of concentration using neutron reflection. The adsorption isotherm could be fitted to an empirical equation close to a Langmuir isotherm and gave a limiting...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/acs.langmuir.7b02725

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
Role:
Author
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Publisher:
American Chemical Society Publisher's website
Journal:
Langmuir Journal website
Volume:
33
Issue:
38
Pages:
9944–9953
Publication date:
2017-09-05
Acceptance date:
2017-09-02
DOI:
EISSN:
1520-5827
ISSN:
0743-7463
Pmid:
28871785
Source identifiers:
730081
Language:
English
Keywords:
Pubs id:
pubs:730081
UUID:
uuid:712ac42f-d1de-4282-9a32-b0d7306f7e32
Local pid:
pubs:730081
Deposit date:
2017-11-24

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