对铜皂法进行改进，用甲苯代替了苯，改进的铜皂法具有毒性小、结果稳定、重复性好的优点。
With toluene instead of benzene, the improved copper soap method possesses less toxicity, good stability and repeatability.
目的：通过对黄芪中有机成分的提取，探讨元素铜与总黄酮（TFA）、多糖（TPA）及总皂苷（TSA）的关系。
Objective: To study the relationship between copper and organic components, total flavonoids of Astragalus(TFA), total saponins of Astragalus(TSA) and total polysaccharide of Astragalus(TPA).
目的：通过对黄芪中有机成分的提取，探讨元素铜与总黄酮（TFA）、多糖（TPA）及总皂苷（TSA）的关系。
Objective: To study the relationship between copper and organic components, total flavonoids of Astragalus(TFA), total saponins of Astragalus(TSA) and total polysaccharide of Astragalus(TPA).
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