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3ß-Benzoyloxy-18ß(H)-olean-12-one
Volume 1 mL Syringe Type Gastight Syringe Series 1000 Termination Sample Lock (SL) Needle Large RN Gauge 22 gauge Point Style 2 Needle Length 2 inch (51 mm) Fluid Path SST
basic (pH 9
47 mm) Std Needle Dead Volume 2
AS1kBI10-1
VP HPLC guard column (preparative), NUCLEODUR C18 ec, 10x16 mm 548-0432 3ß-Benzoyloxy-18ß(H)-olean-12-oneFor 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