12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730015.250 Chromab. columns C18 ec, 6mL,1000mg,BIG 21 346,00 Kč 731909 Chromafix PS-Mix (S) (PS-H+/PS-OH-) 6 630,00 Kč 730212 Chromab. columns SA, 6mL, 1000mg 4 524,00 Kč