12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731831 Chromafix SA (S) 4 446,00 Kč 12102068 Bond Elut-SI, 50mg 1mL, 100/PK 4 286,52 Kč 730014 Chromab. columns C18 ec, 6mL, 500mg 2 427,00 Kč