Material: stainless steel. Further attractive products to complete your chromatography laboratory can be found on our Chromatography page! HPLC column NUCLEODUR ® C 18 ec Ideal and reliable standard RP phase for daily routine analyses and upscaling for preparative HPLC. Octadecyl (C 18 ) and Octyl (C 8 ) medium density with a pore size of 110 Å with exhaustive endcapping for a wide range of applications. Octadecyl (C 18 ) and butyl (C 4 ) with a pore size of 300 Å for the separation of biomolecules Application examples: 110 Å: basic, neutral or acidic drugs; derivatized amino acids; pesticides; fat-soluble vitamins; aldehydes and ketones; phenolic compounds 300 Å: biomolecular macromolecules, like proteins and peptides Delivery incl. 1x analytical HPLC column, instruction leaflet, certificate of analysis.