At last we got coarse alkaloids after concentration. Then we refined it through acid dissolution alkalization and extraction by organic solvent.
然后采用酸溶、碱化、有机溶剂萃取的方法对所得粗品进行了精制。
The method of extracting the auxin in seaweeds with organic solvent, separating and purifying the auxin by ether extraction method and column chromatography has been established.
确立了以有机溶剂提取海藻中的生长素，以乙醚萃取法和柱层析法对生长素进行分离纯化的方法。
The technology on extraction of Tenebrio molitor oil by organic solvent method was investigated in this paper.
以黄粉虫为原料，研究了有机溶剂法提取黄粉虫油脂的工艺。
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