12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730109 Chromab. columns NAN, 3mL,400/1400/400mg 10 114,00 Kč 12113073 Bond Elut LRC-Si, 100Mg, 50/Pk 3 169,30 Kč 2193 3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Price on request