12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731768 Chromafix HR-XA (S) 5 902,00 Kč 730031 Chromab. columns NH2, 1mL, 100mg 5 382,00 Kč 12256012 Mega BE-NH2, 1gm 6ml, 30/pk 5 095,29 Kč