Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 721155.30 EC 4/3 NUCLEOSIL 100-5 NH2-RP 161,61 € 760658.20 EC 150/2 NUCLEODUR C8Gravity, 3 µm 823,89 € A2014250X030 Polaris 3 NH2 250 x 3.0mm 937,13 €