| 微波消解-电感耦合等离子体质谱法测定铁矿石中的26种痕量元素 |
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| 引用本文： | 黄丹宇,刘巍,陶美娟.微波消解-电感耦合等离子体质谱法测定铁矿石中的26种痕量元素[J].分析仪器,2022(1):47-54. |
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| 作者姓名： | 黄丹宇 刘巍 陶美娟 |
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| 作者单位： | 上海材料研究所检测中心;上海市工程材料应用与评价重点实验室 |
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| 摘 要： | 建立了一套完整的电感耦合等离子体质谱法测定铁矿石中26种痕量元素的检测分析方法。实验中,将微波消解与电感耦合等离子体质谱法相结合,优化了电感耦合等离子体质谱仪的仪器参数,利用基体匹配法和内标法校正基体效应。检出限、加标回收、精密度相关实验表明:该方法检出限在0.03～0.87μg/g之间;加标回收率在95～105%之间;精密度在0.1～3.0%之间。该方法简单、快速、高效,可满足目前市场上对铁矿石中杂质元素含量检测的需求。
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| 关 键 词： | 微波消解 电感耦合等离子体质谱法 铁矿石 痕量元素 |
Determination of 26 trace elements in iron ore by inductively coupled plasma mass spectrometry with microwave digestion |
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| Huang Danyu,Liu Wei,Tao Meijuan.Determination of 26 trace elements in iron ore by inductively coupled plasma mass spectrometry with microwave digestion[J].Analytical Instrumentation,2022(1):47-54. |
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| Authors: | Huang Danyu Liu Wei Tao Meijuan |
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| Affiliation: | (Shanghai Research Institution of Materials,Testing Center,Shanghai 200437,China;Shanghai Municipal Key Lab for Evaluation Application of Engineering Materials,Shanghai 200437,China) |
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| Abstract: | Microwave digestion and inductively coupled plasma mass spectrometry(ICP-MS) were combined to optimize the instrument parameters of ICP-MS, matrix matching method and internal standard method were used to correct the matrix effect. The test results showed that the detection limit of this method was between 0.03 μg/g and 0.87 μg/g, the recoveries were between 95% and 105%, the precision range was 0.1%—3.0%. The method is simple, rapid and efficient, and can meet the current market demands for the determination of impurity elements content in iron ore. |
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| Keywords: | Microwave digestion Inductively coupled plasma mass spectrometry Iron ore Trace element |
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