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Adsorption of mixed cationic and nonionic surfactants at the hydrophilic silicon surface from aqueous solution: Studied by specular neutron reflection

Abstract:

Specular neutron reflection has been used to determine the structure and composition of the mixed cationic and nonionic surfactants of hexadecyltrimethylammonium bromide, C16TAB, and hexaethylene glycol monododecyl ether, C12E6, adsorbed at the hydrophilic silica solid/water interface. Measurements have been made at two different values of pH (2.4 and 7.0), where the relative affinity for the adsorption of the two surfactants at the interface is dramatically altered. At high pH (pH = 7.0) the...

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Publication status:
Published

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Publisher copy:
10.1021/la970468o

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
LANGMUIR
Volume:
13
Issue:
25
Pages:
6638-6643
Publication date:
1997-12-10
DOI:
EISSN:
1520-5827
ISSN:
0743-7463
URN:
uuid:0c00df3f-1e89-4520-9b9e-c3d87e418682
Source identifiers:
121782
Local pid:
pubs:121782
Language:
English

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