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A preliminary study on the selectivity of linear polynuclear aromatic hydrocarbons in SFC using phenyl-type stationary phases
Phenomenex Australia, Pty Ltd, Lane Cove, NSW 2067, Australia.
Phenomenex Australia, Pty Ltd, Lane Cove, NSW 2067, Australia.
Australian Centre for Research on Separation Science, School of Science and Health, University of Western Sydney, Penrith, NSW 2751, Australia.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences. (Interact)ORCID iD: 0000-0003-1819-1709
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2015 (English)In: Microchemical journal (Print), ISSN 0026-265X, E-ISSN 1095-9149, Vol. 121, p. 136-140Article in journal (Refereed) Published
Abstract [en]

The retention behaviour of a homologous series of polyaromatic hydrocarbons was evaluated on two phenyl-type stationary phases in reversed phase supercritical fluid chromatography (SFC). These phases were the Synergi polar-RP phase and the Cosmosil 5PBB phase, both of which are polar end-capped and incorporate an ether in a propyl chain that tethers the phenyl ring to the silica surface. The Cosmosil 5PBB phase also has five bromine atoms on the phenyl ring. The retention capacity of the Cosmosil column was substantially greater than the Synergi column. However, selectivity on the Cosmosil column was effectively independent of the acetonitrile modifier composition in the CO2 mobile phase, whereas, selectivity on the Synergi column was greatly affected by the acetonitrile modifier in the CO2 mobile phase. The results from this study showed that selectivity and retention studies in HPLC cannot be used to predict selectivity and retention behaviour in SFC. (C) 2015 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 121, p. 136-140
Keyword [en]
SFC; HPLC; Polynuclear aromatic hydrocarbons; Selectivity; Organic modifier
National Category
Polymer Technologies Other Chemical Engineering Organic Chemistry Analytical Chemistry
Identifiers
URN: urn:nbn:se:kau:diva-37302DOI: 10.1016/j.microc.2015.02.011ISI: 000354589700016OAI: oai:DiVA.org:kau-37302DiVA, id: diva2:844526
Funder
Swedish Research Council
Available from: 2015-08-06 Created: 2015-08-06 Last updated: 2017-12-06Bibliographically approved

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Samuelsson, JörgenEnmark, MartinFornstedt, TorgnyShalliker, R. Andrew

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