Improved Method for Partition of Organophosphate Pesticide Residues on a Solid Phase Partition Column

Publisher Website
Google Scholar
Abstract
A specially modified form of diatomaceous earth was used to develop a solid phase partition column which, with methylene chloride, is used to extract organophosphate pesticides from an aqueous acetone filtrate. This column has proven to be a direct replacement for the time consuming and labor intensive separatory funnel partition of the Luke procedure. Recoveries from the column are quantitative and reproducible for industrial phosphates and a wide range of polar and nonpolar organophosphate pesticides. The column is reusable and convenient and results in a 35-45% savings in time over separatory funnel partition. Neither sulfate columns nor separatory funnels are required, and no emulsions are formed.

This publication has 0 references indexed in Scilit: