Mesoporous titania with a large surface area has been prepared by calcination of hybrid composites. The composites were obtained by the incorporation of the biopolymer chitosan in titania networks produced from titanium isopropoxide by a sol−gel process. The resultant titania is of the pure anatase form. The effect of the experimental variables on the product's characteristics are studied.
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Retuert et al. (1998) studied this question.
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