Supercritical fluid chromatography for analysis of liquid crystalline materials of technological interest

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00639822" target="_blank" >RIV/68378271:_____/25:00639822 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11310/25:10504282

Result on the web

<a href="https://doi.org/10.1016/j.chroma.2025.466413" target="_blank" >https://doi.org/10.1016/j.chroma.2025.466413</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.chroma.2025.466413" target="_blank" >10.1016/j.chroma.2025.466413</a>

Result language

angličtina

Original language name

Supercritical fluid chromatography for analysis of liquid crystalline materials of technological interest

Original language description

Fifteen novel liquid crystalline materials were used to survey the potential of supercritical fluid chromatography (SFC) with UV detection for separation of liquid crystal mixtures. A variety of separation conditions were used to outline the behaviour of this type of analytes in the SFC environment. Eight stationary phases were employed to evaluate their aptness for application in liquid crystal characterization including diol, 2-picolylamine, 1-aminoanthracene, pentafluorophenyl, octyl and octadecyl chemistries. Three types of octadecyl stationary phases were used to elucidate how the different particle type and the presence/absence of shielding polar groups affect the separation. Methanol, ethanol and 2- propanol and their mixtures with acetonitrile were tested as cosolvents and the effects of the mobile phase on retention/separation are also evaluated. The combined results provide a wide comparison of stationary phases based on their ability to distinguish structurally related compounds. The differences in chromatographic behaviour and its trends depending on both mobile and stationary phases selection highlight the versatility of the SFC. The solutes belong to two groups (ferroelectric nematic and photosensitive mesogens) and two corresponding mixtures were prepared as model samples, comprising eight and seven compounds, respectively. The pentafluorophenyl stationary phase (PFP) proved to be the most suitable from all tested columns - both prepared blends were separated to baseline on the XSelect HSS PFP column in under seven minutes.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10406 - Analytical chemistry

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Chromatography A

ISSN

0021-9673

e-ISSN

1873-3778

Volume of the periodical

1762

Issue of the periodical within the volume

Nov

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

11

Pages from-to

466413

UT code for WoS article

001588903100002

EID of the result in the Scopus database

2-s2.0-105017510899