Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 760528.20 EC 150/2 NUCLEODUR HILIC, 1.8 µm 823,89 € 760414.40 EC 250/4 NUCLEODUR C18 Isis, 5 µm 760,51 € CP27819 OmniSpher 5 C18, S250x4.6 Repl. 791,40 €