Determination of Chlorinated Pesticides in Poultry Fat Using GPC and Optional Alumina Clean-up with GC-ECD Detection

Poultry Fat is routinely monitored for the presence of chlorinated pesticides insuring that consumers are not exposed to unacceptable levels of pesticides and that unauthorized use of these pesticides is detected. Determination of chlorinated pesticides in poultry fat requires post-extraction clean-up steps to effectively remove lipids and other co-extractives prior to analysis by GC or GC/MS. Failure to remove these compounds results in decreased column life, contamination of the ion source and decreased analytical performance. This application note describes the post-extraction clean-up of poultry fat followed by an optional alumina clean-up step performed in a special filter rack placed on-line to the GPC eluent.