Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 760577.46 EC 125/4.6 NUCLEODUR Phenyl-Hexyl, 3 µm 22 100,00 Kč 760803.40 EC 250/4 NUCLEODUR SPHINX RP, 5 µm 18 720,00 Kč 760405.30 EC 50/3 NUCLEODUR C18 Isis, 1.8 µm 17 810,00 Kč