| 电感耦合等离子体原子发射光谱(ICP-OES)法测定铝合金中微量的钆、镧、钕、镨、钐 |
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| 引用本文： | 罗有雄. 电感耦合等离子体原子发射光谱(ICP-OES)法测定铝合金中微量的钆、镧、钕、镨、钐[J]. 中国无机分析化学, 2017, 7(2): 50-54. DOI: 10.3969/j.issn.2095-1035.2017.02.013 |
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| 作者姓名： | 罗有雄 |
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| 作者单位： | 佛山市质量计量监督检测中心,广东 佛山,528000 |
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| 摘 要： | 研究了电感耦合等离子体发射光谱(ICP-OES)法测定6系铝合金中微量的钆、镧、钕、镨、钐的方法,优化了ICP-OES工作条件,用标准加入法和标准曲线法做了比较,测定微量含量时,标准加入法比标准曲线法准确,在定量限和检出限之间约5倍空白标准偏差(5σ)含量时,标准加入法的加标回收率在80%~112%,检测结果具有参考价值.
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| 关 键 词： | ICP-OES 标准加入法 铝合金 微量 稀土元素 |
| 收稿时间： | 2016-10-10 |
| 修稿时间： | 2016-12-19 |
Determination of Trace Gd, La, Nd, Pr and Sm in Aluminum Alloy by ICP-OES |
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| LUO Youxiong. Determination of Trace Gd, La, Nd, Pr and Sm in Aluminum Alloy by ICP-OES[J]. Chinese Journal of Inorganic Analytical Chemistry, 2017, 7(2): 50-54. DOI: 10.3969/j.issn.2095-1035.2017.02.013 |
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| Authors: | LUO Youxiong |
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| Affiliation: | Foshan Supervision Testing Centre of Quality & Metrology,Foshan,Guangdong 528000,China |
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| Abstract: | Determination of trace Gd,La,Nd,Pr,and Sm in 6 series of aluminum alloys by ICP-OES method was studied.The working conditions of ICP-OES were optimized.Experimental comparison results showed that ICP-OES standard addition method was more accurate for trace amount detection than ICP-OES standard curve.when the difference between the Limit of detection and the limit of quantitation was about 5 times of the blank standard deviation of (5σ),the recovery rates of this method were in the ranges from 80% to 112%. |
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| Keywords: | ICP-OES standard addition method aluminum alloy trace rare-earth elements |
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