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| ICP-AES测定湖泊沉积物中微量元素的样品微波消解研究 | |
| 引用本文： | 弓晓峰,陈春丽,赵晋,周文斌.ICP-AES测定湖泊沉积物中微量元素的样品微波消解研究[J].光谱学与光谱分析,2007,27(1):155-159. |
| 作者姓名： | 弓晓峰 陈春丽 赵晋 周文斌 |
| 作者单位： | 1. 南昌大学教育部鄱阳湖湖泊生态与生物资源利用实验室,江西 南昌 330047;南昌大学环境科学与工程学院,江西 南昌 330029 2. 南昌大学环境科学与工程学院,江西 南昌 330029 3. Department of Chemistry,University of Duisburg-Esseb,Germany 4. 南昌有色冶金设计研究院,江西 南昌 330002 5. 南昌大学教育部鄱阳湖湖泊生态与生物资源利用实验室,江西 南昌 330047 |
| 基金项目： | 教育部科学技术研究重点项目 , 江西省教育厅科研项目 , 南昌大学校科研和教改项目 |
| 摘 要： | 为正确测定鄱阳湖沉积物中微量元素而研究样品消解方法,采用密闭式微波消解系统处理样品,以ICP-AES法测定多种微量元素.分别从不同的消解液、用酸量、消解工序以及样品消解量等方面进行研究和优化,最终确定了一个最适合消解鄱阳湖沉积物的前处理消解体系为:消解样用量为0.5 g,180℃电热板上预处理约15 min,消解体系选择酸比例为4:4:2的HNO3-HF-H2O2体系和HNO3-HF-HClO4体系均可,消解工序为5 atm/3 min-10 atm/2 min-15 atm/5 min-20 atm/10 min的逐步加热工序.这种消解方法简单快速、效率高、劳动强度低,为以后鄱阳湖沉积物的测定做了样品准备工作. |
| 关 键 词： | 微波消解 ICP-AES 鄱阳湖 沉积物 微量元素 |
| 文章编号： | 1000-0593（2007）01-0155-05 |
| 收稿时间： | 2005-12-02 |
| 修稿时间： | 2006-03-18 |
Study on Microwave Digestion of Sediment of Poyang Lake Determined by ICP-AES |
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| GONG Xiao-feng,CHEN Chun-li,Barbara Zimmermann,ZHAO Jin,ZHOU Wen-bin.Study on Microwave Digestion of Sediment of Poyang Lake Determined by ICP-AES[J].Spectroscopy and Spectral Analysis,2007,27(1):155-159. | |
| Authors: | GONG Xiao-feng CHEN Chun-li Barbara Zimmermann ZHAO Jin ZHOU Wen-bin |
| Institution: | 1. Key Laboratory of Poyang Lake Ecology and Bio-resource Utilization of MOE, Nanchang University, Nanchang 330047, China; 2. School of Environmental Science and Engineering Nanchang University, Nanchang 330029, China ;3. Department of Chemistry, University of Duisburg-Esseb, Germany ;4. Nanchang Engineering and Research Institute of Nonferrous Metals, Nanchang 330002, China |
| Abstract: | In order to determine the sediment of Poyang Lake correctly, digestion methods for the samples were studied in the present paper. Microwave digestion was used to digest the samples, and ICP-AES was used to determine the samples. Different digestion solutions, the amount of acids, digestion procedure and the amount of sample were investigated and optimized. Finally, an optimal digestion method was established to carry out the further analysis of all sediment samples: weigh up 0. 5 g sample, take a pretreatment by heating on the electric plate for about 15 min at 180 degree C, and add HNO3-HF-HClO4 or HNO3-HF-H2O2 in the proportions of 4 : 4 : 2. The microwave digestion procedure was 5 atm/3 min-10 atm/2 min-15 atm/5 min-20 atm/10 min. This method was simple, fast, effective with low work intensity. |
| Keywords: | Microwave digestion ICP-AES Poyang Lake Sediment Trace element |
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