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105752-67-8
Basic active ingredients from strongly matrix-contaminated samples
Oxides (fuse with KOH / KNO3 in a Ag0 crucible)
AS10kCU25-1
EC HPLC guard column (analytical), NUCLEOSHELL RP 18plus, 5 µm, 4x2 mm 5190-1535 105752-67-8For 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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