EC HPLC guard column (analytical), NUCLEODUR C18 Gravity, 5 µm, 4x2 mm 008505 935275-35-7

935275-35-7

Assurance® Grade Magnesium

Linearity - 2 mg

1359704-27-0

n-Tetracosane-d50

EC HPLC guard column (analytical), NUCLEODUR C18 Gravity, 5 µm, 4x2 mm 008505 935275-35-7For 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