DONeX, SPE Clean-up Cartridge, 3ml, pk/500 Back Catalog number: 12793 Availability: In the manufacturer's stock Price on request - + Recommended 730249 Chromab. col. Na2SO4/Florisil, 6mL,2/2g 4 117,00 Kč 730487 Chromab. columns XTR, 6mL, 1000mg 1 539,00 Kč 12334 Column Adapter for 3mL SPE-cartridges or for LCTe Price on request