12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731768 Chromafix HR-XA (S) 234,86 € 731755 Chromafix HR-XC (S) 234,86 € 730011 Chromab. columns C18 ec, 1mL, 100mg 170,71 €