12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731831 Chromafix SA (S) 184,85 € 730626 Chromab. columns NH2, 6mL, 1000mg 183,79 € 730533 Chromab. columns ABC18, 6mL, 500mg 123,58 €