Liquid crystalline polysiloxane polymer as stationary phase in gas chromatography capillary column for the separation of dioxin/furan compounds

被引:14
作者
Chang-Chien, GP
Lee, WS
Tsai, JL
Jeng, SH
机构
[1] Chengshiu Inst Technol, Dept Chem Engn, Kaohsiung 833, Taiwan
[2] Chengshiu Inst Technol, Super Micro Mass Res & Technol Ctr, Kaohsiung 833, Taiwan
[3] Kaohsiung Med Univ, Grad Inst Occupat Safety & Hlth, Kaohsiung 833, Taiwan
关键词
stationary phases; GC; polysiloxanes; dioxin; furan;
D O I
10.1016/S0021-9673(01)01213-4
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A side-chain liquid crystalline polysiloxane polymer (PS3DBDE1) with high purity and high isotropic transition temperature served as a stationary phase in an attempt to chromatographize the dioxin/furan compounds. The polymer was coated on the inner surface of a 0.25 mm I.D. capillary column by using the static coating method, forming a film with a thickness of d(f)approximate to0.25 mum. A commercial standard solution (US EPA 1613 standard solution 1613CS4) containing polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) was used to test the chromatographic behavior of the laboratory-made capillary column. Two commercial capillary columns HP-5MS (Hewlett-Packard) and RTX-5MS (RTX) were chosen to compare their chromatographic behavior. The results show that by the use of PS3DBDE1 the isomeric pair compounds 1,2,3,4-TeCDD vs. 2,3,7,8-TeCDD and 1,2,3,4,7,8-HxCDD vs. 1,2,3,6,7,8-HxCDD and the same substituted-chlorine number compounds l,2,3,4,6,7,8-HpCDF vs. 1,2,3,4,6,7,8-HpCDD and 1,2,3,4,6,7,8,9-OCDD vs. I,2,3,4,6,7,8,9-OCDF had higher resolution than HP-5MS and RTX-5MS as suggested by the column makers. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码:97 / 105
页数:9
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