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Octadecyl phase (C18
but time-consuming
Speciation analysis is the analytical process of identifying and/or measuring the amounts of one or more individual chemical species in a sample
CGY1-500ML
EC HPLC guard column (analytical), NUCLEOSHELL HILIC, 2.7 µm, 4x3 mm 10004-1-500 Octadecyl phase (C18For 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