12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 732012 Chromab. columns LV C18 ec, 15mL, 200m 91,50 € 731770 Chromafix HR-XA (L) 333,51 € 730011ASP Chromab. columns C18 ec, 1mL, 100mg,ASP 274,41 €