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Abstract

X-RAY DIFFRACTION STUDIES OF THE CHITOSAN NATURAL POLYMERS

Shakeel Ahmad Khanday and *Samina Akther

ABSTRACT

Chitin, a β-(1→4)-linked polymer of 2-acetamido-2-deoxy-D-glucose (N-acetyl-D-glucosamine), is mainly derived from the exoskeletons of insects, crustaceans and the cell walls of fungi and some algae. A new method to determine the degree of deacetylation (DD) of α-chitin and chitosan in the range of 17–94% DD using X-ray powder diffraction (XRD) is proposed.

Keywords: Chitin, insects, deacetylation, X-ray powder diffraction.


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