12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731806 Chromafix C18 ec (L) 272,30 € 731755 Chromafix HR-XC (S) 234,30 € 730533 Chromab. columns ABC18, 6mL, 500mg 120,52 €