| 自动电位滴定法测定马蹄中的总还原糖 |
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| 引用本文： | 林庆宇,张志,魏小平,严瑶.自动电位滴定法测定马蹄中的总还原糖[J].安徽农业科学,2011,39(26):16450-16451. |
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| 作者姓名： | 林庆宇 张志 魏小平 严瑶 |
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| 作者单位： | 1. 贺州学院化学与生物工程系,广西贺州,542800
2. 桂林理工大学化学与生物工程学院,广西桂林,541004 |
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| 基金项目： | 广西教育厅科研立项项目(201010LX536); 贺州学院大学生科技立项项目(2010DXSKJ05),贺州学院科研立项项目(2010ZRKY01) |
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| 摘 要： | 目的]研究自动电位滴定法测定马蹄中总还原糖含量的新体系。方法]根据菲林氏间接碘量法的原理,应用自动电位滴定法测定,确定了体系的最优条件。结果]方法测定的标准偏差为2.47%,RSD为1.30%,加标回收率为99.2%~102.5%,平均回收率为99.26%。结论]该法操作简便快速、结果准确,为果品糖分含量提供有效的测定方法。
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| 关 键 词： | 自动电位滴定仪 马蹄 总还原糖 |
Determination of Reducing Sugar in Eleocharis dulcis by Automatic Potentiometric Titration |
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| LIN Qing-yu et al.Determination of Reducing Sugar in Eleocharis dulcis by Automatic Potentiometric Titration[J].Journal of Anhui Agricultural Sciences,2011,39(26):16450-16451. |
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| Authors: | LIN Qing-yu |
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| Institution: | LIN Qing-yu et al(Department of Chemistry and Bioengineering,Hezhou University,Hezhou,Guangxi 542800) |
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| Abstract: | Objective] To study the new system for determining the reducing sugar in Eleocharis dulcis by automatic potentiometric titration.Method] According to the principles of Film's indirect iodometric method,the automatic potentiometric titration was adopted to detect the content of reducing sugar,and the optimal conditions of the system were determined.Result] The standard deviation detected by the method was 2.47%,RSD was 1.30%,the added recovery was 99.2%-102.5%,and the average recovery was 99.26%.Conclusi... |
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| Keywords: | Automatic potentiometric titration Eleocharis dulcis Reducing sugar |
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