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AS1KRB50-1
WW-LFS-2-125ML
24R)-24-Ethylcholestane
Formaldehyde - beige → blue-violet
EC UHPLC guard column (analytical), NUCLEODUR PolarTec, 1.8 µm, 4x2 mm Phase - NH2 AS1KRB50-1For 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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