Polychromatic excitation improves detection limits in total reflection X-ray fluorescence analysis compared with monochromatic excitation

被引：42

作者：

Kunimura, Shinsuke ^{[1
]}

Kawai, Jun ^{[2
]}

机构：

[1] RIKEN, Mat Fabricat Lab, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

[2] Kyoto Univ, Dept Mat Sci & Engn, Sakyo Ku, Kyoto 6068501, Japan

来源：

ANALYST | 2010年 / 135卷 / 08期

关键词：

SPECTROMETER;

D O I：

10.1039/c0an00009d

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Detection limits obtained by a portable total reflection X-ray fluorescence (TXRF) spectrometer with or without a monochromator are compared. A 1WX-ray tube (tube voltage: 20 kV) is used in this spectrometer. Polychromatic excitation improves the detection limits in TXRF analysis with the low power X-ray tube compared with monochromatic excitation. A detection limit of 26 pg is achieved for Co when using the weak polychromatic X-rays.

引用

页码：1909 / 1911

页数：3

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