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THE DIRECT DETERMINATION OF THE MEAN SEPARATION OF A TETHERED CHAIN FROM ITS ANCHOR

Abstract:

Neutron reflectivity with isotopic substitution has been used to determine the mean separation between a tethered chain and its anchoring point. The method is described and applied to the study of the structure of a layer of the surfactant tetradecyl trimethylammonium bromide adsorbed at the air-solution interface. At a concentration just below the critical micelle concentration the area per molecule in the adsorbed layer is 48 ± 2 A and the midpoint of the distribution of the tetradecyl chai...

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Publication status:
Published

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Publisher copy:
10.1080/10101329208054577

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Volume:
29
Issue:
SUPPL 2
Pages:
155-162
Publication date:
1992-01-01
DOI:
ISSN:
1060-1325
URN:
uuid:60847999-dae9-41ea-b8c0-3ba08453c0d8
Source identifiers:
43928
Local pid:
pubs:43928

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