对３种苄基化β－环糊精固定相进行了研究，考察了它们的色谱性能及对各种位置 异构体的分离，研究了柱温对保留行为的影响，并讨论了环糊精保留的机理。 The three kinds of benzylated β-cyclodextrin stationary phases were studied, and their chromatographic properties and the separation of various positional isomers were investigated. The effect of column temperature on the retention behavior was studied. Cyclodextrin Retention mechanism.