DEVELOPMENT OF AN X-RAY FLUORESCENCE SPECTROMETER FOR ENVIRONMENTAL SCIENCE APPLICATIONS

被引：33
|
作者：
Espinosa, A. A. [1 ]
Reyes-Herrera, J. [1 ]
Miranda, J. [1 ]
Mercado, F. [1 ]
Veytia, M. A. [1 ]
Cuautle, M. [1 ]
Cruz, J. I. [1 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
来源：
INSTRUMENTATION SCIENCE & TECHNOLOGY | 2012年 / 40卷 / 06期
关键词：
atmospheric aerosols; elemental analysis; soils; trace elements; X-ray fluorescence; EDXRF; PIXE;
D O I：
10.1080/10739149.2012.693560
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The performance of a new X-ray spectrometer is presented. The device was designed originally to be employed in environmental sciences, and allows the use of different types of primary radiation sources, such as a radioactive source (Am-241) or tubes with anodes of different metals (Rh or W). Among the advantages of this spectrometer are the possibility of exchanging detectors to improve efficiency at different X-ray energy ranges [such as Si (Li), Si-PIN, hyperpure Ge, or CdTe detectors], to attach it to a wavelength dispersive system, and its use in vacuum or atmospheric pressure. Furthermore, it is feasible to modify the geometry so a secondary target may be installed for using polarized X-rays as exciting radiation.
引用
收藏
页码：603 / 617
页数：15
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