Conclusion
The chitin obtained from the scales of the fish could be used in variety of application especially when transformed
into the more useful compound chitosan. Chitosan is prepared by using different sources and applying an appropriate
treatment with diluted HCl and NaOH. The relative content of chitosan in these sources is determined. The most
convenient raw material sources for preparation of chitosan are found to be fish scales by employing FTIR
spectroscopy, all functional groups in chitosan macromolecules are clarify. In the experimentally prepared chitosan,
the bands were more pronounced and which proves the higher degree of morphological arrangement (higher degree of
crystalline order) in the former.