摘要
两种新型聚硅氧烷侧链含氮冠醚(十一亚甲基15冠-5和十一亚甲基18-冠-6)被成功地合成出来,并将它们涂渍在弹性石英毛细管柱上进行色谱评价。结果表明,这两种固定液具有优良的色谱性能。它们能很好地分离芳香族化合物,尤其是成功地分离了一些胺类化合物,而且这两种固定液对正构醇和正构酸甲酯有相当好的选择姓。本文着重比较这两种固定液色谱性能的各方面异同。
Two new crown ethers (ω-undecamethylene-aza-15-crown-5 polysiloxane and ω-undecamethylene-aza-18-crown-6 polysiloxane) were synthesized successfully and coated on two fused silica capillary columns. These columns were evaluated. As a result, these two stationary phases have good chromatographic characteristics. They separated some aromatic compounds well, especially they had separated some amines successfully. These two stationary phases have excellent selectivity for n -alcohols and n-esters. This paper puts emphasis on comparing the similarities and differences of chromatographic characteristics of these two stationary phases in every respect.
关键词
冠醚
聚硅氧烷
气相色谱
crown ether
polysiloxane
stationary phase
fused silica capillary column
gas chromatography
chromatographic characteristic
