DONeX, SPE Clean-up Cartridge, 3ml, pk/500 Back Catalog number: 12793 Availability: In the manufacturer's stock Price on request - + Recommended 730020 Chromab. columns Alox B, 6mL, 1000mg 148,65 € 730180 Chromab. columns NH2, 6mL, 500mg 122,27 € 12198002 Chem Elut-1ml, Unbuffered, 100/pk 350,38 €