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胆甾型苯并－１５－冠－５（简称ＣＨ－Ｂ－１５－Ｃ－５）在不同温度范围内的相态不同，在同一温 度范围内因处理方式不同而物性亦相去甚远，用其作成的ＧＣ固定相兼具气固色谱（ＧＳＣ）、 普通气液色谱（ＧＬＣ）和冠醚液晶气液色谱（ＣＬ－ＧＬＣ）多种功能。用该固定相在不同条件下对 乳酸和乳酸乙酯光学异构体混合物的分高效果进行了比较研究，并探讨了手性拆分机理。
Cholesteric benzo-15-crown-5 (referred to as CH-B-15-C-5) in different temperature range of different phases in the same temperature range due to different treatment methods and physical properties also have a long way to go The GC stationary phase combines gas chromatography (GSC), common gas liquid chromatography (GLC) and crown ether liquid crystal liquid chromatography (CL-GLC). The phase separation of lactic acid and ethyl lactate was studied under different conditions using this stationary phase, and the chiral separation mechanism was discussed.