Sep-Pak Carbon Black/PSA Silica 6 cc Vac Cartridge, 500mg Sorbent Per Cartridge, 30/pk

Two-layer sorbent bed used for pesticide clean-up in food matrices prior to GC analysis. PSA provides alternative selectivity compared to aminopropyl. JPMHLW official methods for pesticides in food. Particle Size: 37-105 µm [carbon black, top layer] 37-55 µm [PSA, bottom layer] Quantity: 500 mg of each sorbent seperated by a frit.