纸层析结果表明，这些组分分别为N -乙酰葡萄糖胺单糖、二聚糖和三聚糖。
The result of paper chromatography is presented which suggests that the fractions are N-acetylglucosamine monomer, dimer and trimer respectively.
以盐酸为溶剂，N 乙酰基D 葡萄糖胺为标准品，用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。
The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine (ACGLSM) as standard.
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