| 引用本文: | 周家茵,易淑纯,文建国.五棓子中提取单宁的研究.[J].国防科技大学学报,1986,(1):93-99.[点击复制] |
| Zhou Jiayin,Yi Shuchun,Wen Jianguo.Research on Extrcting Tannin from Gall[J].Journal of National University of Defense Technology,1986,(1):93-99[点击复制] |
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| 五棓子中提取单宁的研究 |
| 周家茵, 易淑纯, 文建国 |
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| 摘要: |
| 本文研究了从五棓子中提取单宁时五棓子粉碎程度、浸取溶剂、温度、时间对浸取率的影响。确定了最佳浸取条件。用磷钼钨杂多酸光度法测定了浸取率和产品纯度。此外，还进一步用红外光谱分析和热分析法对产品作了鉴定。 |
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| 投稿日期：1985-08-02 |
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| Research on Extrcting Tannin from Gall |
| Zhou Jiayin, Yi Shuchun, Wen Jianguo |
| Abstract: |
| This paper has studied the effects of the gall particle size，the leaching solvent，temperature and time on the leaching percentage while extracting tannin from Chinese gall; found out the best leaching conditions; examined the leaching percentage and the purity of products by using the phosphomolybdotungstic acid(hetero-poly acid) spectrophotometric method; identifined the products by using the IR spectrometry and thermal analysis. |
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