12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730015G Chromab. columns C18 ec, 6mL, 1000mg 260,78 € 738011.050M Chromab. Multi 96, C18 ec, 50mg,monobloc 354,95 € 731756 Chromafix HR-XC (M) 260,78 €