EC HPLC guard column (analytical), NUCLEODUR 300-5 C18 ec, 5 µm, 4x3 mm Other - Instrument Check Standard 60207-90-1

60207-90-1

000ug/mL SULFUR MSA 500mL

Ethyltriphenyltin

5 x 1/4"-28 nylon unions

Iridium (Ir) Standards In Our Store

EC HPLC guard column (analytical), NUCLEODUR 300-5 C18 ec, 5 µm, 4x3 mm Other - Instrument Check Standard 60207-90-1For 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