6mL cartridges with a 500/500 mg/mg bed weight. 30 Pack. This dual phase SPE cartridge does what you want it to do: Sorb matrix and not pesticides. This phase has shown a high recovery of planar species without the use of toluene. C18 is endcapped.
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.