12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730214G Chromab. columns SiOH, 3mL, 200mg 280,74 € 730015 Chromab. columns C18 ec, 6mL, 1000mg 126,65 € 730015G Chromab. columns C18 ec, 6mL, 1000mg 260,69 €