| 火焰原子吸收光谱法测定牛奶中锌含量的研究 |
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| 引用本文： | 李晶,李杰.火焰原子吸收光谱法测定牛奶中锌含量的研究[J].安徽农业科学,2011(9):5258+5444-5260,5262. |
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| 作者姓名： | 李晶 李杰 |
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| 作者单位： | 滨州学院化学与化工系; |
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| 基金项目： | 滨州学院青年项目(BZXYLG200607) |
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| 摘 要： | 目的]为牛乳中微量元素营养价值的研究提供参考。方法]采用稀释法处理纯牛奶样品,并采用火焰原子分光光度法测定了纯牛奶中锌元素的含量。结果]纯牛奶中锌元素的含量为6.25 g/ml。该方法的加标回收率为104.0%,精密度（样品相对标准偏差RSD）为0.61%。结论]该法样品前处理简便、快捷,测定结果准确,适用于纯牛奶中锌含量的测定。
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| 关 键 词： | 火焰原子吸收分光光度法 稀释法 纯牛奶 |
Determination of Zn Content in Pure Milk by Flame Atomic Absorption Spectrometry |
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| LI Jing et al.Determination of Zn Content in Pure Milk by Flame Atomic Absorption Spectrometry[J].Journal of Anhui Agricultural Sciences,2011(9):5258+5444-5260,5262. |
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| Authors: | LI Jing |
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| Institution: | LI Jing et al(Department of Chemistry and Chemical Engineering,Binzhou University,Binzhou,Shandong 256600) |
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| Abstract: | Objective] The aim was to provide reference for studies on nutritive value of trace elements in milk.Method] Pure milk sample was treated by dilution method,and Zn content in the pure milk was determined by flame atomic absorption spectrometry.Result] The content of Zn in the pure milk was 6.25 g/ml.The recovery of standard addition of this method was 104.0%,and the relative standard deviation(RSD) of sample was 0.61%.Conclusion] The method has simple sample pretreatment and accurate determination resul... |
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| Keywords: | Flame atomic absorption spectrometry Dilution method Pure milk |
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