Cleanup of matrices is the first, most important, and most critical step for both broad-spectrum screening and accurate determination of pesticides and their metabolites in vegetables, meats, drinks, and fruits. In most cases, solid phase extraction (SPE) methods are used to clean up the extracts before the GC-MS analysis. The ideal SPE material(s) should remove the greatest number of food matrix interferences and offer truly high recoveries for a broad spectrum of pesticides.
Cleanup of matrices is the first, most important, and most critical step for both broad-spectrum screening and accurate determination of pesticides and their metabolites in vegetables, meats, drinks, and fruits. In most cases, solid phase extraction (SPE) methods are used to clean up the extracts before the GC-MS analysis. The ideal SPE material(s) should remove the greatest number of food matrix interferences and offer truly high recoveries for a broad spectrum of pesticides.
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