Phase Transition Behavior of a New Monotropic Liquid Crystal by Inverse GC

A new monotropic liquid crystal with crown ether substituent called Substance M was synthetized and characterized by several methods: ¹H NMR, hot stage polarizing microscopy, differential scanning calorimetry and inverse gas chromatography. Annealing experiments with inverse gas chromatography confi...

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Bibliographic Details
Published in:Chromatographia 2009-08, Vol.70 (3-4), p.497-502
Main Authors: Ammar-Khodja, Faiza, Guermouche, Saliha, Guermouche, Moulay-Hassane, Judenstein, Patrick, Bayle, Jean-Pierre
Format: Article
Language:English
Subjects:
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Chromatographic methods and physical methods associated with chromatography
Chromatography
Exact sciences and technology
Gas chromatographic methods
Laboratory Medicine
Original
Pharmacy
Proteomics
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Summary:A new monotropic liquid crystal with crown ether substituent called Substance M was synthetized and characterized by several methods: ¹H NMR, hot stage polarizing microscopy, differential scanning calorimetry and inverse gas chromatography. Annealing experiments with inverse gas chromatography confirmed the monotropic behavior of the compound. Isothermally in the nematic state, solute probes chosen were chromatographed after different heating times. The changes of the corresponding retention times were studied.
ISSN:0009-5893
1612-1112
DOI:10.1365/s10337-009-1169-x