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Journal of Undergraduate Research

Keywords

particle induced X-ray emission, PIXE, lichen, reproducibility

College

Physical and Mathematical Sciences

Department

Chemistry and Biochemistry

Abstract

Particle induced X-ray emission (PIXE) accomplishes simultaneous multiple- trace element analysis with samples weighing less than one milligram. Having such rare capabilities, PIXE has applications in many disciplines. Environmental, industrial and medical fields span only a few of the areas where PIXE has been used. Brigham Young University has conducted PIXE research in these disciplines and others for over 25 years. One of the current research projects involves the elemental analysis of lichens from Federal lands in the Intermountain west. During this project, weaknesses in the existing PIXE system became more apparent which sacrificed the precision of the method. Research was conducted to identify and design the modifications necessary to increase the reproducibility of PIXE analysis at BYU.

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