Journal article
DETERMINATION OF THE STRUCTURE OF A SURFACTANT LAYER ADSORBED AT THE SILICA WATER INTERFACE BY NEUTRON REFLECTION
- Abstract:
- Neutron reflection from the solid/liquid interface has been used to determine the structure of an adsorbed layer of hexaoxyethylene glycol monododecyl ether (C12E6) on quartz. Contrast variation experiments show that C12E6 adsorbs as a bilayer, the ethylene oxide chains forming the layers adjacent to the quartz and the bulk solution. The thickness of the hydrocarbon core of the layer was found to be 17±3 Å and the area per molecule 23 ± 3 Å2. The ethylene oxide chain regions were 16±3 Å thick. The average hydration number of a single ethylene oxide group was found to be 2.0±0.5. © 1989.
- Publication status:
- Published
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- Publisher copy:
- 10.1016/0009-2614(89)85124-3
Authors
- Journal:
- CHEMICAL PHYSICS LETTERS More from this journal
- Volume:
- 162
- Issue:
- 3
- Pages:
- 196-202
- Publication date:
- 1989-10-13
- DOI:
- ISSN:
-
0009-2614
- Language:
-
English
- Pubs id:
-
pubs:43159
- UUID:
-
uuid:101cc4ab-b374-497d-a6cf-1542b1af78fc
- Local pid:
-
pubs:43159
- Source identifiers:
-
43159
- Deposit date:
-
2012-12-19
- ARK identifier:
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- Copyright date:
- 1989
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