Pure Appl. Chem., 1982, Vol. 54, No. 11, pp. 2141-2150
http://dx.doi.org/10.1351/pac198254112141
N-(o-carboxybenzyl) chitosan, N-carboxymethyl chitosan and dithiocarbamate chitosan: new chelating derivatives of chitosan
First page:
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Pure Appl. Chem., 1982, Vol. 54, No. 11, pp. 2141-2150
http://dx.doi.org/10.1351/pac198254112141