DONeX, SPE Clean-up Cartridge, 3ml, pk/500 Back Catalog number: 12793 Availability: In the manufacturer's stock Price on request - + Recommended 730239 Chromab. columns Florisil, 6mL, 2000mg 150,05 € 7300009 Chromab. columns PFAS, 3mL, 120mg 156,26 € 13382 Reusable Needles (SS) for transfer of sample from Price on request