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。
2
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。
3
By using solid phase microextraction instrument, chloroform and tetrachloromethane in drinking water was detected in ECD of gas chromatography.