12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 12256012 Mega BE-NH2, 1gm 6ml, 30/pk 5 216,40 Kč 12102139 Bond Elut-C18 EWP, 500mg 3mL, 50/PK 4 717,44 Kč 730015G Chromab. columns C18 ec, 6mL, 1000mg 6 552,00 Kč