3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 12256008 Mega BE-SI, 1gm 6ml, 30/pk 3 539,44 Kč 730418 Chromab. columns OH (Diol), 6mL, 500mg 3 094,00 Kč 730533 Chromab. columns ABC18, 6mL, 500mg 3 042,00 Kč