Evaluation of shape selectivity of liquid crystals in capillary gas chromatography
✍ Scribed by J. Krupčík; M. Valachovičová; G. Kraus
- Book ID
- 118328674
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 347 KB
- Volume
- 665
- Category
- Article
- ISSN
- 1873-3778
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## Abstract Column selectivity is examined for a series of smectic liquid crystalline columns and is compared with methyl and C~18~ polysiloxane columns for the separation of polycyclic aromatic hydrocarbon (PAH) isomers. A set of extended and condensed solute probes is described that provides a se
The selectivity coefficients and retention ranges of isomeric hydrocarbons on various stationary phases were compared. The advantage of liquid crystals, used as shape-selective stationary phases in capillary gas chromatography for the separation of structural and geometric isomers and diastereoisome