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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.
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för ingenjörs- och kemivetenskaper. (Interact)ORCID-id: 0000-0003-1819-1709
Vise andre og tillknytning
2015 (engelsk)Inngår i: Microchemical journal (Print), ISSN 0026-265X, E-ISSN 1095-9149, Vol. 121, s. 136-140Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Elsevier, 2015. Vol. 121, s. 136-140
Emneord [en]
SFC; HPLC; Polynuclear aromatic hydrocarbons; Selectivity; Organic modifier
HSV kategori
Identifikatorer
URN: urn:nbn:se:kau:diva-37302DOI: 10.1016/j.microc.2015.02.011ISI: 000354589700016OAI: oai:DiVA.org:kau-37302DiVA, id: diva2:844526
Forskningsfinansiär
Swedish Research CouncilTilgjengelig fra: 2015-08-06 Laget: 2015-08-06 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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