Poroshell 120 EC-CN HPLC guard column with inner diameter 4.6 mm and length 5 mm. 3 pieces per pack. Provides alternative selectivities. Use in reversed phase for polar and mid-polar compounds and in normal phase for non-polar analytes. Can be operated under 100% mobile phase conditions. InfinityLab Poroshell 120 surface porous columns for normal phase HPLC and supercritical fluid chromatography (SFC) offer exceptional efficiency and reliability. Poroshell 120 EC-CN, HILIC and HILIC-Z (HILIC phases for SFC only) are available in up to three particle diameters: 1.9 µm, 2.7 µm and 4 µm. These options provide a wide range of selectivity for your analytical method development and are scalable from conventional HPLC to UHPLC and ultra low dispersion UHPLC.Meer tonenMinder tonen