12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730015G Chromab. columns C18 ec, 6mL, 1000mg 6 552,00 Kč 2013 C-8 Octyl 500mg/3mL, 50/pk Price on request 730107.250 Chromab. columns SiOH, 6mL, 2000mg,BIG 24 596,00 Kč