A rapid method for determining the degree of deacetylation of chitosan using near-infrared spectroscopy is proposed,which calibrating by CP/MAS NMR.

• 用固态CP/MAS NMR对壳聚糖的脱乙酰度进行测定,建立快速测定壳聚糖的脱乙酰度的近红外方法。