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αßß (20S
Te Containing Samples (Preparation & Solution): Metal (soluble in solutions of alkali hydroxides or a 1:1:1 mixture of H2O
13457-18-6
3-Methylbenzo[f]quinoline
Minerals Testing Kit
EC HPLC guard column (analytical), NUCLEODUR PolarTec, 5 µm, 4x3 mm PEHANON αßß (20SFor 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