| HG-AFS测定辣木中的Se |
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| 引用本文： | 黄国清,肖仔君.HG-AFS测定辣木中的Se[J].光谱学与光谱分析,2007,27(2):383-385. |
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| 作者姓名： | 黄国清 肖仔君 |
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| 作者单位： | 1. 华南理工大学轻工与食品学院，广东 广州 510640
2. 韶关学院食品工程系，广东 韶关 512005 |
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| 摘 要： | 采用湿法消解，HG-AFS法(氢化物发生原子荧光光谱法)对辣木中微量Se含量进行了分析测定，系统地考察了消化方式、仪器工作条件、酸介质、掩蔽剂等因素对测定的影响，确定了最佳测定条件，结果表明：方法的最低检出限为0.42 ng·mL-1,线性范围0～120 ng·mL-1,相对标准偏差(RSD)为3.53%(n=11)， 回收率为95.2%～104.6%，表明该方法有较高灵敏度，并且简便、快速、准确。
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| 关 键 词： | 氢化物发生原子荧光光谱法 硒 辣木 |
| 文章编号： | 1000-0593（2007）02-0383-03 |
| 收稿时间： | 2005-12-28 |
| 修稿时间： | 2006-05-08 |
HG-AFS Determination of Selenium in Moringa Oleifera |
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| HUANG Guo-qing,XIAO Zi-jun.HG-AFS Determination of Selenium in Moringa Oleifera[J].Spectroscopy and Spectral Analysis,2007,27(2):383-385. |
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| Authors: | HUANG Guo-qing XIAO Zi-jun |
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| Affiliation: | 1. College of Light Industry and Food Science, South China University of Technology, Guangzhou 510640, China2. Food Engineering Department, Shaoguan College, Shaoguan 512005, China |
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| Abstract: | The Se content in Moringa oleifera was studied by hydride generation atom fluorescence spectrometry (HG-AFS) with wet digestion. The effects of the way of digestion, the work condition of apparatus, the reaction medium and acidity, and the reducing agent and masking agent on the determination of Se were investigated. And the operating condition of apparatus was optimized. The results showed that the detection limit of Se in this method was 0.42 ng x mL(-1) in the linear ranger of 0-120 ng x mL(-1), the relative standard deviation was 3.53% (n = 11), and the recovery of the method was 95.2%-104.6%. It was showed that the method was very sensitive, simple, rapid and accurate. |
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| Keywords: | HG-AFS Se Moringa olei fera |
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