✦ LIBER ✦

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

✍ Scribed by I.J. Barnabas; J.R. Dean; S.M. Hitchen; S.P. Owen

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 548 KB
Volume: 291
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(94)80021-9

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✦ Synopsis

Supercritical fluid extraction WE) 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 C,, EmporeTM extraction disk prior to WE with CO, only and methanol-modified CO, 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.

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