12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 12102037 Bond Elut SI, 500mg 3ml, 50/pk 4 487,92 Kč 730626G Chromab. columns NH2, 6mL, 1000mg 8 086,00 Kč 12256013 Mega BE-SAX, 1gm 6ml, 30/pk 5 575,20 Kč