DONeX, SPE Clean-up Cartridge, 3ml, pk/5 Back Catalog number: 12735 Availability: In the manufacturer's stock Price on request - + Recommended 730016 Chromab. columns C18 ec f, 6mL, 500mg 2 496,00 Kč 5108 60mL Cartridge w/20g SI silica Gel, 12/pk Price on request 730031 Chromab. columns NH2, 1mL, 100mg 5 382,00 Kč