12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 4823 SPE Amide-2 500mg/1mL, 100/pk Price on request 730075 Chromab. columns SiOH, 6mL, 1000mg 2 557,00 Kč 730001 Chromab. columns C18, 1mL, 100mg 4 204,00 Kč