• 采用硅胶聚酰胺聚糖凝胶LH-20制备薄层乙酸乙酯和正丁醇提取物进行了分离、纯化。

    The ethyl acetate and n-butanol extraction were chromatographed on silica gel column, polyamide column, sephadex LH-20 column and preparing TLC, respectively.

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  • 方法升华制备样品,用法分离,用光谱法鉴定

    Methods: The samples were prepared with method of sublimation, separated with thin layer chromatography and identified with spectrometry.

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  • 方法升华制备样品,用法分离,用光谱法鉴定

    Methods: The samples were prepared with method of sublimation, separated with thin layer chromatography and identified with spectrometry.

    youdao

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