DONeX, SPE Clean-up Cartridge, 3ml, pk/500 Back Catalog number: 12793 Availability: In the manufacturer's stock Price on request - + Recommended 730249G.250 Chromab. c. Na2SO4/Florisil,6mL,2/2g,BIG 1 562,28 € 730742 Chromab. columns PTL, 70mL 167,61 € 12102159 Bond Elut Fl, 500Mg, 6ml, 30/Pk 115,06 €