3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730076 Chromab. columns SA, 1mL, 100mg 214,21 € 12113073 Bond Elut LRC-Si, 100Mg, 50/Pk 126,65 € 12256012 Mega BE-NH2, 1gm 6ml, 30/pk 219,09 €