3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 731745 Chromafix HR-X (L) 272,30 € 730593 Chromab. columns HILIC, 3mL, 500mg 183,84 € 12102010 Bond Elut SI, 100mg 1ml, 100/pk 185,38 €