ES Industries has developed a series of chemistries to closely match the performance of GE Whatman Partisil® columns. Partisep materials are available in both the standard 10 micron particle size as well as a 5 micron particle size for both shorter run times and higher efficiencies. Most methodologies on Partisil HPLC columns can be transferred to Partisep products without modification, including USP applications. An example of Partisep ODS3 application chromatogram is shown below. The following Partisep phases are available: