12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730462 Chromab. columns PSA, 3mL, 500mg 4 529,00 Kč 12102007 Bond Elut-CN-E, 100mg 1mL, 100/PK 7 507,08 Kč 730012MPS Chromab. columns C18 ec, 3mL, 200mg,MPS 4 897,00 Kč