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Polyamide (PA)
1231244-60-2
38444-93-8
Element properties Selenium
EC HPLC guard column (analytical), NUCLEODEX BETA-PM, 5 µm, 4x3 mm 455474H Polyamide (PA)For 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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