| 微波消解-电感耦合等离子体质谱同时测定普里兹湾沉积物中微量元素 |
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| 引用本文： | 王志广,陈发荣,郑立,张道来,李俊飞,于锡娟,王小如. 微波消解-电感耦合等离子体质谱同时测定普里兹湾沉积物中微量元素[J]. 分析试验室, 2012, 0(8): 50-54 |
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| 作者姓名： | 王志广 陈发荣 郑立 张道来 李俊飞 于锡娟 王小如 |
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| 作者单位： | 青岛科技大学化学与分子工程学院;国家海洋局第一海洋研究所;中国海洋大学化学化工学院;青岛海洋地质研究所 |
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| 基金项目： | 中国海监技术支撑项目(ZF01-09);科技基础性工作专项(2008FY230600);青岛市公共领域科技支撑计划项目(12-1-3-82-jh)资助 |
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| 摘 要： | 以HNO3-H2O2为消解体系,采用微波对沉积物进行消解,建立了普里兹湾沉积物中微量元素的电感耦合等离子体质谱(ICP-MS)测定方法。从样品分析数据可以看出:8个站位10种元素总量变化范围为493.41～1481.02μg/g,总量最大值是最小值的3.00倍。元素Ba、Mn在总量中占了很大比例,V次之,而As、Mo、Ag、Cd的含量很少。大部分元素检出限可达ng/L,仅Co、Mo 2种元素的检出限稍高;各元素线性良好,相关系数r2≥0.9997。方法的RSD<5.0%,适用于普里兹湾沉积物中微量元素的定量分析。
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| 关 键 词： | 普里兹湾 沉积物 微量元素 电感耦合等离子体质谱 |
Simultaneous determination of trace elements in sediments of prydz bay by microwave digestion-inductively coupled plasma mass spectrometry |
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| WANG Zhi-guang,CHEN Fa-rong,ZHENG Li,ZHANG Dao-lai,Li Jun-fei,YU Xi-juan,and WANG Xiao-ru. Simultaneous determination of trace elements in sediments of prydz bay by microwave digestion-inductively coupled plasma mass spectrometry[J]. Chinese Journal of Analysis Laboratory, 2012, 0(8): 50-54 |
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| Authors: | WANG Zhi-guang CHEN Fa-rong ZHENG Li ZHANG Dao-lai Li Jun-fei YU Xi-juan and WANG Xiao-ru |
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| Affiliation: | 1.College of Chemistry and Molecular Engineering,Qingdao University of Science and Technology,Qingdao 266042;2.First Institute Oceanography of State Oceanic Administration,Qingdao 266061;3.College of Chemistry and Chemical Engineering,Ocean University of China,Qingdao 266100;4.Qingdao Institute of Marine Geology,Qingdao 266071) |
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| Abstract: | An inductively coupled plasma mass spectrometric(ICP-MS) method for the determination of trace elements in sediments of Prydz Bay was established.The samples were digested by microwave using HNO3-H2O2 as oxidants.The results showed that the total contents of ten elements in eight sites ranged from 493.41 to 1481.02 μg/g and the maximum value was 3.00 times of the minimum value.Elements Ba and Mn took a large proportion of the total sum,followed by V,while the contents of As,Mo,Ag and Cd were low.For the method,the detection limit of other elements could reach ng/L level except Co and Mo.The linear correlation cofficients of the method was preferable(r2≥0.9997). |
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| Keywords: | Prydz bay Sediments Trace elements Inductively coupled plasma mass spectrometry |
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