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Contrasting selectivity between HPLC and SFC using phenyl-type stationary phases: A study on linear polynuclear aromatic hydrocarbons
Phenomenex Australia Pty Ltd, Lane Cove, NSW 2067, Australia..
Phenomenex Australia Pty Ltd, Lane Cove, NSW 2067, Australia..
Univ Western Sydney, Sch Sci & Hlth, Australian Ctr Res Separat Sci, Penrith, NSW 2751, Australia..
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.ORCID iD: 0000-0003-1819-1709
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2015 (English)In: Microchemical journal (Print), ISSN 0026-265X, E-ISSN 1095-9149, Vol. 119, 40-43 p.Article in journal (Refereed) PublishedText
Abstract [en]

A selectivity study was undertaken using two types of phenyl-type (Synergi polar RP and Cosmosil 5PBB) stationary phases in supercritical fluid chromatography. The mobile phases used in the SFC environment employed CO2 with methanol as the modifier. These columns were tested using linear polynuclear aromatic hydrocarbons as the test solutes. The retention behaviour of these PAHs in SFC was compared to their behaviour in HPLC and there were very distinct differences. On the Synergi-polar stationary phase the PAH selectivity was highly dependent on the methanol modifier concentration, but in comparison on the Cosmosil column, the selectivity between the members of this PAH test group showed almost no change as a function of the methanol concentration, even though the retentivity on the Cosmosil stationary phase was far greater than the Synergi stationary. In fact, the mobile phase played a very passive role in the separations observed on the Cosmosil stationary phase. (C) 2014 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2015. Vol. 119, 40-43 p.
Keyword [en]
Supercritical fluid chromatography, Polynuclear aromatic hydrocarbons, Phenyl stationary phases, Synergi polar, Cosmosil
National Category
Chemical Engineering
Research subject
Chemical Engineering
URN: urn:nbn:se:kau:diva-41634DOI: 10.1016/j.microc.2014.10.008ISI: 000348957800007OAI: diva2:918559
Available from: 2016-04-11 Created: 2016-04-11 Last updated: 2016-05-31Bibliographically approved

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Samuelsson, JörgenEnmark, MartinFornstedt, Torgny
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