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=yCWwv=B1. biooccumulation2. biomagni�cation3. Chromium4. Chitosan5. linear Amino Polysacchaides6. deacetylation7. Chitin8. biopolymer9. Kinetics10. Sigma-Aldrich11. Polymerization12. AA400-Perkin Elmer (USA)13. Malvern instruments Ltd14. fourier transform infrared spectroscopy (FT-IR)15. scanning electron microscopy16. Swietenia Mahagoni shells

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