The Perfect series of columns are suitable for polar compounds, the columns retain and separate polar analytes under reversed-phase or HILIC conditions. With Micropure's unique endcapped technology ,the perfect column has superior peak shapes. Diol column can be used in reverse phase and HILIC modes, or as silica column in normal-phase . HILIC is suitable for the separation of polar compounds in hilic mode, and can be used as a normal phase silica column. Perfect T3 enhances retention of polar compounds in reverse phase, thus Perfect series provide a multidimensional option for polar compound analysis.