12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730070 Chromab. columns SiOH, 6mL, 500mg 2 340,00 Kč 12256013 Mega BE-SAX, 1gm 6ml, 30/pk 5 307,12 Kč 12113036 Bond Elut LRC-SI, 500mg, 50/pk 4 173,12 Kč