Combined Effects of Mobile Phase Composition and Temperature on the Retention of Homologous and Polar Test Compounds on Polydentate C-8 Column
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F10%3A39882376" target="_blank" >RIV/00216275:25310/10:39882376 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Combined Effects of Mobile Phase Composition and Temperature on the Retention of Homologous and Polar Test Compounds on Polydentate C-8 Column
Original language description
Combined effects of temperature and mobile phase on the reversed phase chromatographic behavior of alkylbenzenes and simple substituted benzenes were investigated on a Blaze C8 polydentate silicabased column, showing improved resistance against hydrolytic breakdown at temperatures higher than 60 ?C, in comparison to silica-based stationary phases with single attachment sites. For better insight into the retention mechanism on polydentate columns, we determined the enthalpy and entropy of the transfer ofthe test compounds from the mobile to the stationary phase. The enthalpic contribution dominated the retention at 80% or lower concentrations of methanol in the mobile phase. Entropic effects are more significant in 90% methanol and in acetonitrile-water mobile phases.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CB - Analytical chemistry, separation
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GA203%2F07%2F0641" target="_blank" >GA203/07/0641: New analytical methods in combined high-capacity phase separation systems</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Chromatography A
ISSN
0021-9673
e-ISSN
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Volume of the periodical
1217
Issue of the periodical within the volume
39
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
9
Pages from-to
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UT code for WoS article
000282196700005
EID of the result in the Scopus database
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