3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730130 Chromab. columns C18, 6mL, 2000mg 5 018,00 Kč 2413 3mL Cartidge w/20u PE Frit, 100/pk Price on request 4823 SPE Amide-2 500mg/1mL, 100/pk Price on request