Fig. 5From: Investigating the mechanism of nanofiltration separation of glucosamine hydrochloride and N-acetyl glucosamineEffects of different pressures and mass ratios on a GAH separation factor, b difference value between observed GAH and NAG retentions, c solute permeability of GAH and NAG. The experiments were operated under the condition of total mass of 7.5 wt% and the temperature of 25 °CBack to article page