Evaluation of the surface properties of 4-(Decyloxy) benzoic acid liquid crystal and its use in structural isomer separation.
Inverse gas chromatography
liquid crystal
selectivity
surface properties
Journal
Turkish journal of chemistry
ISSN: 1300-0527
Titre abrégé: Turk J Chem
Pays: Turkey
ID NLM: 101259104
Informations de publication
Date de publication:
2021
2021
Historique:
received:
06
01
2021
accepted:
26
03
2021
entrez:
13
8
2021
pubmed:
14
8
2021
medline:
14
8
2021
Statut:
epublish
Résumé
The selectivity of 4-(Decyloxy) benzoic acid (DBA) liquid crystal in surface adsorption region (303.2-328.2 K) and thermodynamic region (423.2 - 433.2 K) was investigated by inverse gas chromatography at infinite dilution (IGC-ID). The selectivity parameters of the structural isomer series named butyl acetate, butyl alcohol, and amyl alcohol series were calculated for the DBA using IGC-ID technique. Additionally, the surface properties including dispersive surface energy (gS D), free energy (DGA S), enthalpy (DHA S), and acidity-basicity constants were calculated with net retention volumes obtained from IGC-ID experiment results. When the DHA S and DGA S are constants, DBA surface was found to be an acidic character (KD/KA @ 0.89).
Identifiants
pubmed: 34385871
doi: 10.3906/kim-2101-13
pmc: PMC8326467
doi:
Types de publication
Journal Article
Langues
eng
Pagination
845-857Informations de copyright
Copyright © 2021 The Author(s).
Déclaration de conflit d'intérêts
CONFLICT OF INTEREST: none declared
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