By this model, the effects of adsorption time, concentration of chloroform in drinking water and film thickness on the adsorption efficiency were discussed.
应用此模型研究了萃取时间、水样中氯仿的本底质量浓度和高效有机吸附膜厚度等对萃取效率的影响。
Chloroform - tetrahydrofuran - water (500:500:8) was used as mobile phase for the gradient elution of other strongly retained substances.
继用氯仿-四氢呋喃-水(500:500:8)为流动相,梯度洗脱其他强保留组分。
In four extracts from PMEW treated with methyl alcohol and water, petroleum ether, chloroform and ethyl acetate, extract rate of methyl alcohol and water was the highest.
通过对PMEW萃取分离发现,在甲醇水、氯仿、石油醚和乙酸乙酯四种萃取物中仍以甲醇水的萃取率最高。
应用推荐