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New cyclodextrin derivatives(CDs),heptakis(2,6-di-O-methyl-3-O-methoxymethyl)-β-CD(Ⅰ)and heptakis(2,3,6-tri-O-methoxymethyl)-β-CD(Ⅱ),were investigated for their chromatographic performance as stationary phases for capillary gas chromatography(CGC).Both of the CDs exhibited good selectivity and satisfactory separation for test mixtures and aromatic positional isomers,and volatile compounds from Ligusticum chuanxiong Hort.Additionally,the selectivity and elution orders of major compounds were compared with a ... 相似文献
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