3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 5107 60mL Cartridge w/10g SI silica Gel, 12/pk Price on request 730031 Chromab. columns NH2, 1mL, 100mg 5 382,00 Kč 730071 Chromab. columns SiOH, 1mL, 100mg 3 718,00 Kč