Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 766953-902 Extend-C18 3.5u 4.6x75mm 691,37 € 760822.46 EC 50/4.6 NUCLEODUR SPHINX RP, 1.8 µm 696,57 € 760534.40 EC 100/4 NUCLEODUR HILIC, 3 µm 740,13 €