| 碘量法测定蔬菜中维生素C的含量 |
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| 引用本文： | 武文,詹秀环,宣亚文.碘量法测定蔬菜中维生素C的含量[J].安徽农业科学,2009,37(21):9845-9846. |
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| 作者姓名： | 武文 詹秀环 宣亚文 |
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| 作者单位： | 周口师范学院化学系,河南周口,466001;周口师范学院化学系,河南周口,466001;周口师范学院化学系,河南周口,466001 |
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| 摘 要： | 目的]测定当地蔬菜中维生素C的含量。方法]以2％草酸、10％盐酸以及2％草酸和4％醋酸的混合液作为提取试剂，对4种蔬菜中维生素c进行提取。并用碘量法测定蔬菜中维生素c的含量。结果]试验结果表明，用碘量法测定蔬菜中维生素C的含量，其线性范围为5～100mg，平均回收率在102．91％。结论]该方法具有操作简单、快速、干扰少、灵敏度高等优点。
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| 关 键 词： | 碘量法 维生素C 含量 |
Determining Content of Vitamin C in Vegetable by Using Iodometry |
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| WU Wen et al.Determining Content of Vitamin C in Vegetable by Using Iodometry[J].Journal of Anhui Agricultural Sciences,2009,37(21):9845-9846. |
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| Authors: | WU Wen |
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| Institution: | WU Wen et al (Department of Chemistry,Zhoukou Normal University,Zhoukou,Henan 466001) |
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| Abstract: | Objective] The aim was to determine the content of vitamin C in local vegetable.Method] Taking 2% oxalic acid and 10% hydrochloric,mixture of 2% oxalic acid and 4% acetic acid as extraction agent,the content of vitamin C was determined by using iodometry.Result] The result showed that the linear range was from 5-100 mg and average recovery was 102.91% by using iodometry.Conclusion] The method has simple,rapid,high sensitivity and other advantages. |
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| Keywords: | Iodometry Vitamin C Content |
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