3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 12102009 Bond Elut-2OH, 100mg 1mL, 100/PK 264,82 € 915-0050-C ISOLUTE® ENV+ 500mg/6mL (30/pk) Price on request 730214G Chromab. columns SiOH, 3mL, 200mg 281,47 €