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| 电感耦合等离子体质谱(ICP-MS)测定盐湖水中铀含量 | |
| 引用本文： | 闵秀云,许建新,李雷明,马海州,范惠萍,吕亚平.电感耦合等离子体质谱(ICP-MS)测定盐湖水中铀含量[J].盐湖研究,2012,20(2):18-23. |
| 作者姓名： | 闵秀云 许建新 李雷明 马海州 范惠萍 吕亚平 |
| 作者单位： | 1. 中国科学院青海盐湖研究所,青海西宁810008;中国科学院研究生院,北京100039 2. 中国科学院青海盐湖研究所,青海西宁,810008 3. 青海盐湖科技开发有限公司,青海格尔木,816000 |
| 基金项目： | 中科院西部之光人才培养计划项目，中科院知识创新工程重要方向项目 |
| 摘 要： | 利用电感耦合等离子体质谱(ICP-MS)技术,对比分析了直接稀释法和基体匹配法测定含盐水样中微量铀的精密度、准确度和回收率。结果表明,两种方法的铀标准曲线线性相关系数均大于0.999 9,精密度、准确度和回收率都满足样品测定要求,二者均可用于盐湖水中微量铀的测定。但基体匹配法稳定性高,重现性好,更适合于盐湖水中微量铀的快速、准确测定。 |
| 关 键 词： | 铀 电感耦合等离子体质谱法 盐湖水 直接稀释法 基体匹配法 |
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)Determination of Uranium Content in Salt Lake Water |
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| MIN Xiu-yun,XU Jian-xin,LI Lei-ming,MA Hai-zhou,FAN Hui-ping,LV Ya-ping.Inductively Coupled Plasma Mass Spectrometry (ICP-MS)Determination of Uranium Content in Salt Lake Water[J].Journal of Salt Lake Research,2012,20(2):18-23. | |
| Authors: | MIN Xiu-yun XU Jian-xin LI Lei-ming MA Hai-zhou FAN Hui-ping LV Ya-ping |
| Institution: | 1(1.Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008,China; 2.Graduate University of Chinese Academy of Sciences,Beijing,100039,China; 3.Qinghai Salt Lake Science and Technology Development Ltd.Co.,Golmud,816000,China) |
| Abstract: | The precision,accuracy and recovery of direct dilution method and matrix matching method used to determine trace uranium in the brackish water were comparatively analyzed by using inductively coupled plasma mass spectrometry（ICP-MS）.The results show that the linear correlation coefficients of uranium standard curve for the two methods are greater than 0.999 9.Meanwhile,the accuracies and recoveries of the two methods can meet the requirement of sample determination.The two methods can be used for determining trace uranium in salt lake water.The stability and reproducibility of matrix matching method are better than direct dilution method.So the matrix matching method is more suitable for determination of trace uranium content in salt lake. |
| Keywords: | Uranium ICP-MS Salt lake water Direct dilution method Matrix matching method |
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