3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730013MPS Chromab. columns C18 ec, 3mL, 500mg,MPS 5 382,00 Kč 730109 Chromab. columns NAN, 3mL,400/1400/400mg 10 114,00 Kč 730626 Chromab. columns NH2, 6mL, 1000mg 4 524,00 Kč