3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730149 Chromab. columns NAN, 6mL,700/2000/700mg 308,86 € 12113036 Bond Elut LRC-SI, 500mg, 50/pk 165,96 € 730300 Chromab. columns C18 Hydra, 6mL, 1000mg 123,42 €