12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730149.250 Chromab. columns NAN,6mL,700/2000/700BIG 52 000,00 Kč 730227 Chromab. columns C4, 3mL, 500mg 3 597,00 Kč 730012G Chromab. columns C18 ec, 3mL, 200mg 7 280,00 Kč