3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730015G Chromab. columns C18 ec, 6mL, 1000mg 266,18 € 732012 Chromab. columns LV C18 ec, 15mL, 200m 95,06 € 730005 Chromab. columns C18, 6mL, 1000mg 129,92 €