| 电感耦合等离子体原子发射光谱分析中易电离元素的基体干扰及其抑制的研究 |
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| 引用本文： | 庞晋山,黄刚,邓爱华,彭晓俊.电感耦合等离子体原子发射光谱分析中易电离元素的基体干扰及其抑制的研究[J].理化检验(化学分册),2012(6):671-673,677. |
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| 作者姓名： | 庞晋山 黄刚 邓爱华 彭晓俊 |
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| 作者单位： | 新会出入境检验检疫局;惠州出入境检验检疫局 |
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| 摘 要： | 选取铝、铜、镁、钙、铁、锰和锌等7种元素的9条谱线,研究电感耦合等离子体原子发射光谱法对其测定时易电离元素钾、钠的基体干扰。结果表明:易电离元素对待测元素具有较明显的干扰作用,而增大射频发射功率及降低雾化器压力可有效地抑制易电离元素对待测元素的干扰。
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| 关 键 词： | 电感耦合等离子体原子发射光谱法 易电离元素 基体干扰 |
Study on the Matrix Interference of Easily Ionized Elements in ICP-AES and Its Suppression |
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| PANG Jin-shan,HUANG Gang,DENG Ai-hua,PENG Xiao-jun.Study on the Matrix Interference of Easily Ionized Elements in ICP-AES and Its Suppression[J].Physical Testing and Chemical Analysis Part B:Chemical Analgsis,2012(6):671-673,677. |
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| Authors: | PANG Jin-shan HUANG Gang DENG Ai-hua PENG Xiao-jun |
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| Institution: | 1(1.Xinhui Entry-Exit Inspection and Quarantine Bureau,Jiangmen 529100,China; 2.Huizhou Entry-Exit Inspection and Quarantine Bureau,Huizhou 510020,China) |
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| Abstract: | Matrix interferences of the easily ionized elements,e.g.K and Na,with the ICP-AES determination of 7 elements(i.e.,Al,Cu,Mg,Ca,Fe,Mn and Zn),were studied.Nine spectral lines of the 7 elements were taken as objectives in the study.It was found that the significant interferences due to the easily ionized elements(taking K and Na as example) were effectively inhibited by increasing the radio frequency transmitting power and lowering the atomizing gas pressure. |
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| Keywords: | ICP-AES Easily ionized elements Matrix interference |
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