3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730013 Chromab. columns C18 ec, 3mL, 500mg 3 692,00 Kč 730053 Chromab. columns OH (Diol), 3mL, 500mg 4 654,00 Kč 730405 Chromab. columns C18 ec, 45mL, 5000mg 6 240,00 Kč