Quantitative analysis of the distribution and content of trace metal elements in liquid samples with a three-dimensional confocal x-ray technique

Xiang Zhujun; Meng Zhaoying; Liu Zhiguo; Han Yue; Pan Kai; Zhou Peng; Li Yude

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Quantitative analysis of the distribution and content of trace metal elements in liquid samples with a three-dimensional confocal x-ray technique

机译：具有三维共焦X射线技术的液体样品中痕量金属元素分布及含量的定量分析

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Three-dimensional (3D) confocal x-ray fluorescence analysis technology is widely used, but the quantitative analysis of elemental spatial distributions of solid samples is complicated. This paper explores a quantitative analysis method that can be applied to solid samples. Fluorescence spectra of liquid samples are obtained on a 3D confocal x-ray fluorescence spectrometer. Curves are plotted showing the relationships between the fluorescence count intensity and the mass percentage of metal ions, and the respective fitting-curve equations are determined according to the curve morphology. Fluorescence intensity as a function of the mass percentage and depth position is derived from the samples for a particular acquisition time. These data play a potential role in the subsequent quantitative analysis of unknown mass percentages of solid samples. (C) 2019 Optical Society of America

机译：三维（3D）共聚焦X射线荧光分析技术被广泛使用，但固体样品的元素空间分布的定量分析复杂。本文探讨了可以应用于固体样品的定量分析方法。在3D共聚焦X射线荧光光谱仪上获得液体样品的荧光光谱。绘制曲线显示荧光计数强度与金属离子的质量百分比之间的关系，并且根据曲线形态确定相应的配件曲线方程。作为质量百分比和深度位置的函数的荧光强度来自用于特定采集时间的样品。这些数据在随后对固体样品的未知质量百分比的随后定量分析中起潜在的作用。（c）2019年光学学会

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来源
《Applied optics》 |2019年第16期|共8页
作者
Xiang Zhujun; Meng Zhaoying; Liu Zhiguo; Han Yue; Pan Kai; Zhou Peng; Li Yude;
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作者单位

Beijing Normal Univ Coll Nucl Sci &

Technol Minist Educ Key Lab Beam Technol Beijing 100875 Peoples R China;

Beijing Normal Univ Coll Nucl Sci &

Technol Minist Educ Key Lab Beam Technol Beijing 100875 Peoples R China;

Beijing Normal Univ Coll Nucl Sci &

Technol Minist Educ Key Lab Beam Technol Beijing 100875 Peoples R China;

Beijing Normal Univ Coll Nucl Sci &

Technol Minist Educ Key Lab Beam Technol Beijing 100875 Peoples R China;

Beijing Normal Univ Coll Nucl Sci &

Technol Minist Educ Key Lab Beam Technol Beijing 100875 Peoples R China;

Beijing Normal Univ Coll Nucl Sci &

Technol Minist Educ Key Lab Beam Technol Beijing 100875 Peoples R China;

Beijing Normal Univ Coll Nucl Sci &

Technol Minist Educ Key Lab Beam Technol Beijing 100875 Peoples R China;

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Quantitative analysis of the distribution and content of trace metal elements in liquid samples with a three-dimensional confocal x-ray technique

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