12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731831 Chromafix SA (S) 181,09 € 2116 FLO Florisil Gel 500mg/6mL, 30/pk Price on request 12102058 Bond Elut C18, 50mg 1ml, 100/pk 254,72 €