| 微波消解-AAS法测定土壤中铅铬镉元素的研究 |
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| 引用本文： | 魏向利,雷用东,马小宁,王静,赵泽.微波消解-AAS法测定土壤中铅铬镉元素的研究[J].安徽农业科学,2014(11):3243-3244,3247. |
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| 作者姓名： | 魏向利 雷用东 马小宁 王静 赵泽 |
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| 作者单位： | 农业部食品质量监督检验测试中心;新疆绿色食品发展中心; |
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| 摘 要： | 目的]为探索不同酸体系微波消解土壤对重金属的测定影响,以获得最佳微波消解土壤的方法.方法]采用不同混合酸进行微波消解,并运用原子吸收光谱（AAS）法测定了样品中Pb、Cr和Cd 3种重金属元素.结果]采用硝酸（HNO3）-氢氟酸（HF）-高氯酸（HClO4）三酸消化体系微波消解土壤样品,测定的结果均在标准值范围以内,精密度高.结论]微波消解-AAS法应用于土壤样品的重金属元素分析,具有消解完全、污染少、效率高和准确度高等优点,多次测定获得满意的结果.
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| 关 键 词： | 土壤 重金属元素 微波消解 原子吸收光谱法 |
Determination of Chromium Plumbum Cadmium in Soil by Microwave Digestion-AAS Method |
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| Institution: | WEI Xiang-li(Supervision and Testing Center for Food Quality Ministry of Agriculture, Shihezi, Xinjiang 832000) |
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| Abstract: | Objective] The paper aimed to explore different mixed acid by microwave digestion for the determination of heavy metal in soil,in order to obtain the best method by microwave processing soil.Method] The soil samples were used different mixed acid by microwave digestion,and determined three kinds of heavy metal elements the sample of Pb,Cr and Cd in soil by microwave digestion-atomic absorption spectrum （AAS） method.Result] The results showed that the soil samples were used three acid nitric acid-hydrofluoric acid-perchlorate by microwave digestion system,there were high precision and within the standard range.Conclusion] This method had completely dissolution,less pollution,high efficient and accuracy,and there were obtained a satisfactory result by multiple determinations. |
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| Keywords: | Soil Heavy metal elements Microwave digestion Atomic absorption spectrometry |
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