12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730149 Chromab. columns NAN, 6mL,700/2000/700mg 326,26 € 730403 Chromab. columns C18 f, 6mL, 500mg 101,40 € 730593 Chromab. columns HILIC, 3mL, 500mg 189,07 €