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62571-86-2
4-Trichlorobenzene (1
Due to its high affinity for polar compounds it should not be conditioned with polar (e
10x 100 each of 70201HP and 70256
VP HPLC guard column (preparative), NUCLEODUR C18 HTec, 15x32 mm ICP-36N-10X-0.5 62571-86-2For 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
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