Welch Materials HPLC Guard Column Cartridge Ultisil HILIC Silica, 3 μm, 120Å, 2.1 x 10 mm, 2 pc/PAK

HILIC (Hydrophilic Interaction Liquid Chromatography) is a separation mode achieved through the partitioning of polar solutes from high concentration, water-miscible, organic mobile phase into hydrophilic surface environment.