3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 12001 C18Octadecyl18%100mg/1mL 100/box 229,94 € 12102037 Bond Elut SI, 500mg 3ml, 50/pk 180,02 € 4821 SPE Amide-2 100mg/1mL, 100/pk Price on request