FDA Validation Study Tri Phase SPE containing 500 mg PSA/500 mg CarbonX +/500mg LipidX. 6mL cartridges only. Sold in packs of 30. Tri phase SPE cartridge does what you want it to do: Sorbs lipid rich matrix and not pesticides. This configuration has shown a high recovery of planar species without the use of toluene.
This is dSPE tube is configured to meet the requirements of AOAC 2007:01 QUECHERS methods used for multi-pesticide residue analyses in food. The kit consists of 2 mL (100 units) or 15 mL (50 units) centrifuge tubes optionally containing magnesium sulphate; PSA (primary-secondary amine SPE sorbent); alumina; CarbonX or C18. See table below for details.