DONeX, SPE Clean-up Cartridge, 3ml, pk/500 Back Catalog number: 12793 Availability: In the manufacturer's stock Price on request - + Recommended 730457 Chromab. columns Florisil, 3mL, 200mg 3 120,00 Kč 9370 Elufix Ready-to-Use Columns; 2g FLORISIL® (150 - Price on request 730238 Chromab. columns Florisil, 6mL, 500mg 2 340,00 Kč