12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730296 Chromab. columns C18 Hydra, 3mL, 200mg 134,15 € 732012 Chromab. columns LV C18 ec, 15mL, 200m 95,06 € 730227 Chromab. columns C4, 3mL, 500mg 149,99 €