References
- Eiden , C.A. , Jewell , C.A. and Wightman , J.P. 1980 . Interaction of Lead and Chromium with chitin and Chitosan . J. Appl. Polym. Sci. , 25 : 1587 – 1599 .
- Rorrer , G.L. and Hsien , Tzu‐Yang . 1993 . Synthesis of Porous‐Magnetic Chitosan Beads for Removal of Cadmium Ions from Waste Water . Ind. Eng. Chem. Res. , 32 : 2170 – 2178 .
- Findon , A. , McKay , G. and Blair , H.S. 1993 . Transport Studies for the Sorption of Copper Ions by Chitosan . J. Environ. Sci. Health , A28 (1) : 173 – 185 .
- Muzzarelli , R.A.A. and Rocchetti , R. 1974 . Enhanced Capacity of Chitosan for Transition‐Metal Ions in Sulfate‐Sulfuric Acid Solutions . Talanta , 21 : 1137 – 1143 .
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