EC UHPLC guard column (analytical), NUCLEODUR C18 Isis, 1.8 µm, 4x2 mm Alternate Standards 76866-89-2 / 76866-91-6

76866-89-2 / 76866-91-6

hot Sulphuric acid adding hydrogen peroxide carefully dropwise until clear)

863314-87-8

2-Octanone

7-Trimethylindan

EC UHPLC guard column (analytical), NUCLEODUR C18 Isis, 1.8 µm, 4x2 mm Alternate Standards 76866-89-2 / 76866-91-6For protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary