The best concentration of washing solution to separate N-acet-glucosamine was 5% ethanal solution. On these conditions, the dimeric (N-acet-glucosamine) was accessible in the highest yield 24.06%.

• 分离N-乙酰葡萄糖胺二聚糖的最佳脱洗液浓度为5%25乙醇溶液；此条件下N-乙酰葡萄糖胺二聚糖的得率最高可达24.；06%25