12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730227 Chromab. columns C4, 3mL, 500mg 3 692,00 Kč 730015 Chromab. columns C18 ec, 6mL, 1000mg 3 198,00 Kč 12256012 Mega BE-NH2, 1gm 6ml, 30/pk 5 095,29 Kč