研究了离子沉淀法和大孔吸附树脂层析法结合制备茶多酚的工艺。
Combining the ion precipitation with column chromatography to prepare tea polyphenol was studied.
综合利用吸附法、溶媒萃取法和硅胶柱层析法对抗生素进行了纯化。
Finally, the antibiotics were purified by adsorption, solvent extraction and silica gel column chromatography.
综合利用吸附法、溶媒萃取法和硅胶柱层析法对抗生素进行了纯化。
Finally, the antibiotics were purified by adsorption, solvent extraction and silica gel column chromatography.
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