METHODS: Screening the purification condition by means of the content of active principle, fingerprint chromatography, the yield of dry extracts, et al. of the purified product.

方法从主要成分含量、指纹图谱、总固形物得率、除杂试验等多角度不同层次比较分析不同纯化产物与活性部位成分群的相似度和纯化效果。

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A new method for separating and purifying p-AAB(p-aminoazobenzene)by dry-column chromatography is developed.

提出了一种干柱层析法分离提纯试剂对氨基偶氮苯的新方法。

youdao

A new method for separating and purifying p-AAB(p-aminoazobenzene)by dry-column chromatography is developed.

提出了一种干柱层析法分离提纯试剂对氨基偶氮苯的新方法。

youdao