12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 12006 C18/18% 500mg/6mL 30/box Price on request 730011ASP Chromab. columns C18 ec, 1mL, 100mg,ASP 6 760,00 Kč 2143 3mL Cart. w/500mg ALB Alumina (Basic) 50/pk Price on request