The characters of the chemical structure of CM-chitosan were studied, by assay the content of the N, carboxylation, Primary amine and DEPT,13C-NMR of CM-chitosan.

• 本文通过含N量、总羧甲基化度、伯胺基含量和DEPT、13C-NMR测定,以及其它参数的计算,对羧甲基壳聚糖的化学结构作了表征。