EC HPLC guard column (analytical), NUCLEODUR 100-5 CN-RP, 5 µm, 4x3 mm 05-20ul 2-Ethylhexyldiphenyl phosphate

2-Ethylhexyldiphenyl phosphate

1402834-57-4

Precious Metal Impurities B with Os in 15% HCl

23/75/45åÁ)

EC HPLC guard column (analytical), NUCLEODUR 100-5 CN-RP, 5 µm, 4x3 mm 05-20ul 2-Ethylhexyldiphenyl phosphateFor 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