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Preparative separation of quaternary ammonium alkaloids from Coptis chinensis Franch by pH-zone-refining counter-current chromatography
pH-Zone-refining counter-current chromatography was successfully applied to the preparative separation of five quaternary ammonium alkaloids from the crude extract of Coptis chinensis Franch. The separation was performed with a two-phase solvent system composed of chloroform–methanol–water (4:3:3, v...
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| Publicado no: | J Sep Sci |
|---|---|
| Main Authors: | , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2011
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4241851/ https://ncbi.nlm.nih.gov/pubmed/21268250 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/jssc.201000749 |
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