The crudes were purified by silica gelchromatograph and the crude peptides were purified by recrystallization using EtOH and H_2O.
反应后得到的粗品用硅胶柱色谱纯化,粗品肽用乙醇和水重结晶。
2
The variation of relative molecular mass and its distribution in the process of SBR and PS (HIPS) were determined by gel permeation chromatograph (GPC).