Magnetic field effect on the benzophenone-sodium dodecyl sulphate system: influence of external additives

Misra, Ajay ; Dutta, Rina ; Nath, Debnarayan ; Sinha, Subhasis ; Chowdhury, Mihir (1996) Magnetic field effect on the benzophenone-sodium dodecyl sulphate system: influence of external additives Journal of Photochemistry and Photobiology A: Chemistry, 96 (1-3). pp. 155-160. ISSN 1010-6030

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/101060...

Related URL: http://dx.doi.org/10.1016/1010-6030(95)04294-6

Abstract

Addition of small amphiphiles such as 1,4-dioxane is found to affect radical recombination and escape rates in micelles such as sodium dodecyl sulphate (SDS). This has been demonstrated with the hydrogen-abstracted product of triplet benzophenone as the probe molecule. This result has been interpreted on the basis of the ability of dioxane to form "mixed" micelles, which thereby affect the size, viscosity and reflectivity of the boundary of SDS. Studies in presence of magnetic fields up to 15 kG show that the magnetic field effect remains unaffected by the addition of dioxane. This his been explained as due to the combined effect of size, viscosity and reflectivity of the boundary of the micelle.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Magnetic Field Effect; Geminate Recombination; Micelle; Flash Photolysis
ID Code:8343
Deposited On:26 Oct 2010 11:44
Last Modified:03 Feb 2011 08:52

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