| 原子吸收光谱法测定莲子和莲子心中7种金属元素含量 |
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| 引用本文： | 吴梅青,陈丹,李君,李俊雅. 原子吸收光谱法测定莲子和莲子心中7种金属元素含量[J]. 分析测试技术与仪器, 2013, 19(3): 138-142 |
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| 作者姓名： | 吴梅青 陈丹 李君 李俊雅 |
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| 作者单位： | 湘潭职业技术学院, 湖南 湘潭 411102 |
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| 基金项目： | 湖南省卫生厅厅基金研究项目(No. B2012-143) |
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| 摘 要： | 利用火焰原子吸收光谱法测定6种不同产地的湘莲莲子和莲子心中7种金属元素含量. 莲子和莲子心样品经粉碎干燥后, 用硝酸-高氯酸混合液进行消解处理,采用火焰原子吸收光谱法测定样品中Cr、Cu、Zn、Fe、Mn、Pb、Cd的含量. 莲子和莲子心中富含微量元素Fe、Mn、Zn、Cu、Cr,有害金属元素Pb和Cd未检出. 各元素的加标回收率为98.58%~101.53%,RSD在0.78%~1.89%之间. 方法快速、简便、灵敏,结果准确可靠,为莲子和莲子心中金属元素含量测定提供了一种可靠的方法.
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| 关 键 词： | 莲子 莲子心 原子吸收光谱 金属元素 |
| 收稿时间： | 2013-07-05 |
| 修稿时间： | 2013-09-02 |
Determination of Seven Metal Elements in Lotus Seed and Plumula Nelambinis by Atomic Absorption Spectrometry |
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| WU Mei-qing,CHEN Dan,LI Jun and LI Jun-ya. Determination of Seven Metal Elements in Lotus Seed and Plumula Nelambinis by Atomic Absorption Spectrometry[J]. Analysis and Testing Technology and Instruments, 2013, 19(3): 138-142 |
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| Authors: | WU Mei-qing CHEN Dan LI Jun LI Jun-ya |
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| Affiliation: | Xiangtan Polytechnical College, Xiangtan 411102, China |
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| Abstract: | The hydride-atomic fluorescence spectrometry is used to the determination of tin in canned food,effects of various aids,concentration of aids,concentration of KBH4, and screening agent on the fluorescence intensity are studied. Under these conditions,the linear range of determination was 0~250 ng/mL,the related coefficient was 0.999 5,the recovery rate was 88.7%~102.74%,and the RSD was 2.29%~3.58%. |
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| Keywords: | atomic fluorescence spectrometry tin canned food |
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