80

Nucleosil C18, manufactured by Macherey- Nagel, Germany, is spherical totally porous silica bonded with octadecyl silanes and is available in a wide range of pore sizes and particle sizes. It has been cited extensively in the literature and is very well regarded in the chromatography community. Nucleosil is well characterized and reproducible. ES Industries has extensive experience with Nucleosil packings and manufactures the highest quality Nucleosil columns available.