DONeX, SPE Clean-up Cartridge, 3ml, pk/5 Back Catalog number: 12735 Availability: In the manufacturer's stock Price on request - + Recommended 731909 Chromafix PS-Mix (S) (PS-H+/PS-OH-) 6 500,00 Kč 12256013 Mega BE-SAX, 1gm 6ml, 30/pk 5 307,12 Kč 12102032 Bond Elut-PH, 500mg 3mL, 50/PK 4 445,28 Kč