| 离子色谱测定水果中的草酸和柠檬酸 |
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| 引用本文： | 朱岩 徐素君. 离子色谱测定水果中的草酸和柠檬酸[J]. 食品科学, 1993, 0(7): 62-63,51 |
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| 作者姓名： | 朱岩 徐素君 |
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| 作者单位： | 浙江省测试技术研究所，杭州大学化学系 310012 |
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| 摘 要： | 采用dionex 4000i离子色谱仪,分析了果汁中的草酸和柠檬酸酸含量。使用dionex HPLC-AG4阴离子色谱柱,洗脱液为3．0mmol/LNa_2CO_2和3．0mmol/LNaOH,以电导检测,进样体积50μl。草酸和柠檬酸的最小检测量分别为0．02μg/ml和0．04μg/ml(信噪比为2．50),标准偏差分别为1．01%和3．01%,线性范围在1000μg/ml之内,回收率在95．06%~104．7%之间
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| 关 键 词： | 离子色谱 草酸 柠檬酸 水果 |
Determination of Oxalic Acid and Citric Acid in Fruits by Ion chromatography |
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| Zhu Yan et al. Determination of Oxalic Acid and Citric Acid in Fruits by Ion chromatography[J]. Food Science, 1993, 0(7): 62-63,51 |
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| Authors: | Zhu Yan et al |
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| Affiliation: | Zhu Yan et al |
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| Abstract: | Oxalic acid and citric acid in fruits were determinated by ion chromatography. The conditions of the determination were discussed. Ther were good reproducible and rectilinear relationship. Good recoveries were obtained with use of the method for oxalic acid and citric acid determination in several fruits. |
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| Keywords: | Ion Chromatography Oxalic Acid Citric Acid Fruit |
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