12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 12003 C18Octadecyl18%500mg/3mL 50/box Price on request 730028 Chromab. columns C18, 15mL, 2000mg 160,95 € 730003.250 Chromab. columns C18, 3mL, 500mg, BIG 580,47 €