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1005 RNCP 5mL Syr (22/19/3)
Di-n-propyl phthalate
(24S)-24-Methylcholest-8(14)-ene
Chlorine dioxide - Redox reaction
Tungsten 100 mg/l for ICP-MS
VP HPLC guard column (preparative), NUCLEODUR C18 Gravity, 10x8 mm 455172T 1005 RNCP 5mL Syr (22/19/3)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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