| 原子吸收光谱法测定强力枇杷露中微量镁和镉 |
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| 引用本文： | 郑民,徐素琴,朱霞石,李云. 原子吸收光谱法测定强力枇杷露中微量镁和镉[J]. 光谱实验室, 2010, 27(2): 496-500 |
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| 作者姓名： | 郑民 徐素琴 朱霞石 李云 |
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| 作者单位： | 1. 江苏省扬州商务高等职业学校,江苏省扬州市邗江中路98号,225002
2. 扬州大学化学化工学院,江苏省扬州市四望亭路88号,225002 |
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| 摘 要： | 原子吸收光谱法测定7个不同厂家所生产的强力枇杷露中镁和镉元素含量。结果表明,样品溶液吸光度与浓度之间存在线性关系,其相关系数均在0.9991—0.9998之间,精密度在5%左右,且在2h以内保持较好的稳定性,加样回收率在95.5%—104.2%之间。采用以上方法检测强力枇杷露中镁和镉元素的含量,方法灵敏,准确,可靠。
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| 关 键 词： | 强力枇杷露 镁 镉 原子吸收光谱法 |
Determination of Magnesium and Cadmium by Atomic Absorption Spectrometry in Strong Loquat Syrup |
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| Zheng Min,Xu Su-Qin,Zhu Xia-Shi,Li Yun. Determination of Magnesium and Cadmium by Atomic Absorption Spectrometry in Strong Loquat Syrup[J]. Chinese Journal of Spectroscopy Laboratory, 2010, 27(2): 496-500 |
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| Authors: | Zheng Min Xu Su-Qin Zhu Xia-Shi Li Yun |
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| Affiliation: | Yangzhou Higher Commercial Vocational School;Yangzhou;Jiangsu 225002;P.R.China;College of Chemistry & Chemical Engineering;Yangzhou University;P.R.China |
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| Abstract: | Magnesium and cadmium in strong loquat syrup was determined by atomic absorption spectrometry.The results are as follows: there is a linear relationship between absorbance and concentration of magnesium and cadmium in loquat syrup; the correlation coefficient is between 0.9991-0.99.98;the precision is about 5%,and the recovery is between 95.5%-104.2%.The method is sensitive,accurate and reliable. |
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| Keywords: | Strong Loquat Syrup Magnesium Cadmium Atomic Absorption Spectrometry |
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