New liquid crystalline stationary phases for gas chromatography of positional and geometrical isomers having similar volatilities
โ Scribed by Krishnat P. Naikwadi; Souji Rokushika; Hiroyuki Hatano; Mitsuyoshi Ohshima
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 438 KB
- Volume
- 331
- Category
- Article
- ISSN
- 1873-3778
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Mesomorphic biphenylcarboxylate esters were coupled via flexible aliphatic hydrocarbon spacers to a polysiloxane backbone. The influence of spacer length, percent mesomorphic substitution, and crosslinking of the stationary phase on liquidcrystalline transition temperatures and on chromatographic pe
A smectic liquid-crystalline stationary phase was used in high resolution gas chromatography for the analysis of the patterns of the chloro-homologues of the polychlorodibenzodioxins and polychlorodibenzofurans. Unique selectivity for most of the 2,3,7,8-class congeners was observed. Use of this pha