Selective extraction of organochlorine and organophosphorus pesticides using a combined solid phase extraction-supercritical fluid extraction approach

Barnabas, Ian, Dean, John, Hitchen, Steven and Owen, Susan (1994) Selective extraction of organochlorine and organophosphorus pesticides using a combined solid phase extraction-supercritical fluid extraction approach. Analytica Chimica Acta, 291 (3). pp. 261-267. ISSN 0003-2670

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Official URL: http://dx.doi.org/10.1016/0003-2670(94)80021-9

Abstract

Supercritical fluid extraction (SFE) of pesticides has been investigated for the possibility of selective extraction between organochlorine (OCPs) and organophosphorus (OPPs) compounds. Three OCPs and OPPs were trapped onto a C18 Empore® extraction disk prior to SFE with CO2 only and methanol-modified CO2 at various pressures and constant temperature. The results indicate that OCPs can be quantitatively extracted using CO2 only whereas OPPs require a modifier for extraction.

Item Type: Article
Uncontrolled Keywords: Gas chromatography-mass spectrometry; Pesticides; Selective extraction; Supercritical fluid extraction
Subjects: F100 Chemistry
F800 Physical and Terrestrial Geographical and Environmental Sciences
Department: Faculties > Health and Life Sciences > School of Life Sciences > Applied Sciences
Depositing User: Becky Skoyles
Date Deposited: 17 Feb 2015 15:19
Last Modified: 09 Mar 2016 15:47
URI: http://nrl.northumbria.ac.uk/id/eprint/18681

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