12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730073.250 Chromab. columns SiOH, 3mL, 500mg BIG 559,82 € 730016 Chromab. columns C18 ec f, 6mL, 500mg 101,40 € 730076 Chromab. columns SA, 1mL, 100mg 218,65 €