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The present paper should be consideredas a review of theapplication of Fourier Transform Infra-Red for surface clay characterization. Theapplication of surface clay materials for water treatment, oil adsorption, excipientsor as active in drugs has largely increased these recent years. The surface clay material presentshydroxyl groups, which can link very easily water molecules. These hydroxyl groupscan react with organic groups and by their vibration in the infra-red region, FT-IR can be easily used as a technicalmethod for surface clay characterization. In this paper, we focus on the determination of Lewisand Bronsted acid sites on the clay surface, a critical review of the sample preparation, the surface characterization of bulk clay andthe modified surface clay samples using FT-IR spectroscopy.

KEYWORDS

Clay Materials; Surface Clays; Hydroxyls; Surface Acidity; IR Spectroscopy

Cite this paper

P. Djomgoue and D. Njopwouo -FT-IR Spectroscopy Applied for Surface Clays Characterization,- Journal of Surface Engineered Materials and Advanced Technology, Vol. 3 No. 4, 2013, pp. 275-282. doi: 10.4236-jsemat.2013.34037.





Autor: Paul Djomgoue, Daniel Njopwouo

Fuente: http://www.scirp.org/



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