| 微波消解-石墨炉原子吸收法测定豆腐花中的铅 |
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| 引用本文： | 鲁伦文,谭平,赵克勤.微波消解-石墨炉原子吸收法测定豆腐花中的铅[J].安徽农业科学,2011(5):3075-3076. |
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| 作者姓名： | 鲁伦文 谭平 赵克勤 |
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| 作者单位： | 湖南机电职业技术学院; |
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| 基金项目： | 湖南省教育厅科技项目(09C1159) |
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| 摘 要： | 目的]建立一种简便、快速测定豆腐花中铅含量的方法。方法]采用微波消解法处理豆腐花样品,石墨炉原子吸收光谱法测定豆腐花中铅含量,并通过正交试验设计方法对微波消解参数进行了优化。结果]测定铅的标准曲线相关系数为0.999 4,相对标准偏差在0.32%~2.17%,加标回收率在95%~104%,检出限为1.454μg/L。结论]用微波消解作为预处理手段,以石墨炉原子吸收分光光度法测豆腐花中铅的含量是一种可行的方法,具有精密度高、准确度好等优点。
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| 关 键 词： | 微波消解 石墨炉原子吸收法 豆腐花 铅 |
Determination of Lead Element in the Jellied Bean Curd with Microwave Digestion-Graphite Furnace Atomic Absorption Spectrometry |
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| LU Lun-wen et al.Determination of Lead Element in the Jellied Bean Curd with Microwave Digestion-Graphite Furnace Atomic Absorption Spectrometry[J].Journal of Anhui Agricultural Sciences,2011(5):3075-3076. |
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| Authors: | LU Lun-wen |
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| Institution: | LU Lun-wen et al (College of Mechatronic Technology of Hunan,Changsha,Hunan 410151) |
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| Abstract: | Objective] This paper aimed to establish a fast and convenient way to determine the content of lead in the jellied bean curd.Method] The lead content in jellied bean curd samples was determined by microwave digestion and graphite furnace atomic absorption spectroscopy(GF-AAS).The working conditions of microwave digestion and atomic absorption determination were optimized.Result] The correlation coefficient of standard curve was 0.999 4 with relative standard deviation less than 2.17 percent.The detection... |
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| Keywords: | Microwave digestion Graphite furnace atomic absorption method Jellied bean curd Lead content |
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