| 微波消解-电感耦合等离子体质谱法测定铬铁合金中的10种痕量元素 |
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| 引用本文： | 黄丹宇,刘巍,陶美娟,周韵.微波消解-电感耦合等离子体质谱法测定铬铁合金中的10种痕量元素[J].分析仪器,2021(2):23-27. |
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| 作者姓名： | 黄丹宇 刘巍 陶美娟 周韵 |
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| 作者单位： | 上海材料研究所检测中心,上海海关工业品与原材料检测技术中心,上海 200437;上海市工程材料应用与评价重点实验室,上海 200437;上海材料研究所检测中心,上海海关工业品与原材料检测技术中心,上海 200437 |
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| 基金项目： | 典型性废金属属性鉴别及快速筛查技术的研究(2019HK014)。 |
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| 摘 要： | 将微波消解与电感耦合等离子体质谱法相结合,优化了铬铁合金溶解方法。优化电感耦合等离子体质谱仪的仪器参数,利用标准加入法校正基体效应。在此基础上,建立了一套电感耦合等离子体质谱法检测铬铁合金中砷、锡、锑、镉、汞、铅、镧、铈、铊、铋10种痕量元素的检测分析方法。检出限、加标回收、精密度相关实验表明:该方法检出限在0.04~0.3μg/L之间;加标回收率在85.6~114.1%%之间;精密度在1.4~3.5%之间。该方法简单、快速、高效,可满足铬铁合金市场上对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 铬铁合金 痕量元素 |
Determination of 10 trace elements in ferrochrome by ICP-MS with microwave digestion |
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| Huang Danyu,Liu Wei,Tao Meijuan,Zhou Yun.Determination of 10 trace elements in ferrochrome by ICP-MS with microwave digestion[J].Analytical Instrumentation,2021(2):23-27. |
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| Authors: | Huang Danyu Liu Wei Tao Meijuan Zhou Yun |
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| Affiliation: | (Shanghai Research Institution of Materials,Testing Center,Shanghai Customs Industrial Products and Raw Materials Testing Technology Center,Shanghai 200437,China;Shanghai Municipal Key Lab for Evaluation Application of Engineering Materials,Shanghai 200437,China) |
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| Abstract: | The parameters of inductively coupled plasma mass spectrometer were optimized,and the matrix effects were corrected by standard addition method.The ICP-MS method was developed for determination of trace elements such as arsenic,tin,antimony,cadmium,mercury,lead,lanthanum,cerium,thallium and bismuth in ferrochrome.The experimental results showed that the detection limit was in the range of 0.04—0.3μg/L,the standard recovery rate was between 85.6%and 114.1%,and the precision was between 1.4%and 3.5%.The method is simple,rapid and efficient. |
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| Keywords: | Microwave digestion Inductively coupled plasma mass spectrometry(ICP-MS) Ferrochrome Trace elements |
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