Sep-Pak Aminopropyl (NH2) Vac RC Cartridge, 100 mg Sorbent per Cartridge, 55-105 µm Particle Size, 50/pk
Ion-exchange, 2 - 8 pH, Silica, End Capped, 125Å Pore Size, 3.5 Carbon, Not Water Wettable, Mass Spec Compatible