12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730072 Chromab. columns SiOH, 70mL, 10g 3 536,00 Kč 730626 Chromab. columns NH2, 6mL, 1000mg 4 524,00 Kč 730107.250 Chromab. columns SiOH, 6mL, 2000mg,BIG 24 596,00 Kč