EC HPLC guard column (analytical), NUCLEOSIL 50-5 C18 ec, 5 µm, 4x3 mm 44513-CA CGDY10-30ML

CGDY10-30ML

2-Methylpyridine

2) If the ICV solution is not available from USEPA

1000ug/mL VANADIUM 125mL

1-Dodecene

EC HPLC guard column (analytical), NUCLEOSIL 50-5 C18 ec, 5 µm, 4x3 mm 44513-CA CGDY10-30MLFor 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