EC HPLC guard column (analytical), NUCLEODUR 100-5 C8 ec, 5 µm, 4x3 mm 89117 aqueous-organic mobile phases are usually

aqueous-organic mobile phases are usually used

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In criminal investigations it is used to search for traces of bullets

Citric Acid

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EC HPLC guard column (analytical), NUCLEODUR 100-5 C8 ec, 5 µm, 4x3 mm 89117 aqueous-organic mobile phases are usuallyFor 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