3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 738071.100M Chromab. Multi 96, SiOH, 100mg,monobloc 354,95 € 4821 SPE Amide-2 100mg/1mL, 100/pk Price on request 730425 Chromab. columns SA, 6mL, 500mg 123,14 €