| 原子荧光法测总悬浮颗粒物中的镉 |
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| 引用本文： | 刘敏,孔祥宇,郭昆鹏,汪旭明.原子荧光法测总悬浮颗粒物中的镉[J].环境科学与管理,2009,34(4):118-120. |
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| 作者姓名： | 刘敏 孔祥宇 郭昆鹏 汪旭明 |
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| 作者单位： | 1. 成都理工大学环境与土木工程学院地质灾害防治与地质环境保护国家重点实验室,四川,成都,610059
2. 安徽师范大学环境科学学院,安徽,芜湖,241003 |
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| 摘 要： | 通过选择最优消解体系,尽可能提取总悬浮颗粒物TSP滤膜上所含的重金属元素,并选定适宜的基体改进剂、仪器工作条件等,研究了用原子荧光光谱法测定TSP中重金属镉的方法。实验表明,高浓度的硼氢化钾溶液和加入一定量的焦磷酸钠能有效地排除铜、铅带来的干扰,在载流中加入含Co2＋的溶液,对镉的荧光强度有较好的增感效应,能有效提高镉的测定灵敏度和重复性。本法简单、灵敏、准确,精密度和准确度均在可靠范围内。
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| 关 键 词： | 原子荧光法 总悬浮颗粒物 镉 |
Determination of Cadmium in the Total Suspended Particulate by Atomic Fluorescence Spectrometry |
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| Liu Min,Kong Xiangyu,Guo Kunpeng,Wang Xuming.Determination of Cadmium in the Total Suspended Particulate by Atomic Fluorescence Spectrometry[J].Environmental Science and Management,2009,34(4):118-120. |
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| Authors: | Liu Min Kong Xiangyu Guo Kunpeng Wang Xuming |
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| Institution: | 1.College of Environment and Civil Engineering Chengdu University of Technology;National Professional Laboratory ofGeohazard Prevention and Geoenvironment Protection;Chengdu 610059;China;2.Anhui Normal University Environment Science College;Wuhu 241003;China |
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| Abstract: | In this article,we select optimal dissolution system,extract the heavy metals on the total suspended particles membrane as possible,and select appropriate matrix modifier,equipment working conditions etc.,build the Atomic Fluorescence Spectrometry method to determine heavy metal cadmium in the TSP.The experiment indicate that high concentration KBH4 solution,and joins a certain amount of Na4P2O7 to get rid of Cu,Pb's effect,in the carrier to join in with Co2+,Ni2+solution,the fluorescence intensity of cadmi... |
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| Keywords: | atomic fluorescence spectrometry TSP cadmium |
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