Chiral column with 2,3-di-O-ethyl-6-O-tert-butyl dimethylsilyl beta cyclodextrin added to the SH-1701 phase (14% cyanopropylphenyl/86% dimethyl polysiloxane.) Provides better resolution than an achiral phase for limonene, linalool, linalyl acetate, ethyl-2-methylbutyrate, 2,3-butane diol, and styrene oxides. Temp range: 40 to 230C.