12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731830 Chromafix SiOH (L) 208,96 € 730024 Chromab. columns C8, 6mL, 500mg 99,80 € 730004 Chromab. columns C18, 6mL, 500mg 99,80 €