3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730011 Chromab. columns C18 ec, 1mL, 100mg 170,75 € 730004.250 Chromab. columns C18, 6mL, 500mg, BIG 646,77 € 730063 Chromab. columns CN, 3mL, 500mg 185,23 €