12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731803 Chromafix C18 (L) 6 864,00 Kč 5108 60mL Cartridge w/20g SI silica Gel, 12/pk Price on request A4960125 Bond Elut 96, C18 25mg 9 345,97 Kč