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 548,46 € 738071.100M Chromab. Multi 96, SiOH, 100mg,monobloc 354,95 € 730012 Chromab. columns C18 ec, 3mL, 200mg 131,53 €