EC HPLC guard column (analytical), NUCLEODUR 100-5 NH2-RP, 5 µm, 4x2 mm E3GA4R pH - yellow-blue → violet

pH - yellow-blue → violet

CGAU1-30ML

Th ICP-MS 28 amu 4000 - 8000 ppt n/a M+ 14N2

34698-41-4

EC HPLC guard column (analytical), NUCLEODUR 100-5 NH2-RP, 5 µm, 4x2 mm E3GA4R pH - yellow-blue → violetFor 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