Improving Undergraduate Laboratory Instruction in Chemistry Through the Use of Energy Dispersive X-Ray Fluorescense Spectroscopy

最近获得的能量色散x射线荧光（EDXRF）光谱仪允许该仪器用于萨吉诺谷州立大学化学分析/物理课程序列。学生有机会通过生成谱线来展示原子的特性，利用康普顿位移和其他与吸收边缘、吸收和光电效应有关的效应来展示x射线光子/电子相互作用之间的关系。由于EDXRF是一种快速，非破坏性的技术，使用该仪器进行实验的学生获得了最新的定性和定量分析技术，并对x射线的原子结构和性质有了基本的了解，这是进入各自科学领域所必需的。

The recent acquistion of an energy dispersive x-ray fluorescence (EDXRF) spectrometer allows this instrument to be used in the analytical/physical course sequence in chemistry at Saginaw Valley State College. Students have an opportunity to demonstrate the character of atoms through generation of line spectra, to show the relationship between x-ray photon/electron interactions using Compton shift and other effects relating to absorption edges, absorption and photoelectric effects. Since EDXRF is a rapid, non-destructive technique, students who carry out experiments utilizing this instrument acquire up-to-date qualitative and quantitative analytical techniques and a basic understanding of atomic structure and the properties of x-rays, required to enter their respective scientific fields.