请问怎么查美国药典里，方法对应使用的哪个品牌的色谱柱?BRIEFING Fondaparinux Sodium. Because there is no existing USP monograph for this drug substance, a new monograph, based on validated methods of analysis, is being proposed. The liquid chromatographic procedure in the Assay and the test for Organic Impurities are based on analyses performed with the Dionex CarboPac PA1 brand of L46 column. The typical retention time for the fondaparinux peak is about 15 min. The liquid chromatographic procedure in Free Sulfate and Residual Chloride Determination is based on analyses performed with the Waters IC-Pak Anion brand of L23 column, coupled with a neutralization micromembrane suppressor such as Dionex ASRS 300, Ultra 4 mm. USP在这部分里会有详细介绍，我只是举了例子。查看更多
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