Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 760521.30 EC 30/3 NUCLEODUR HILIC, 1.8 µm 17 810,00 Kč 760324.46 EC 125/4.6 NUCLEODUR C18 HTec, 3 µm 22 100,00 Kč 720055.46 EC 250/4.6 NUCLEOSIL 120-3 C18 17 030,00 Kč