Acquisition of an FT-IR/FT-Raman Spectrometer to Facilitate the Investigation of Solute-Solvent Interactions in Supercritical Fluids.

在主要研究仪器（MRI）采集项目的支持下，波特兰大学化学系将获得一台傅里叶变换红外/傅里叶变换拉曼光谱仪（FT-IR/FT-Raman）。该仪器将用于研究超临界流体中溶质和溶剂之间的相互作用。将研究的一个体系是罗丹明B溶解在乙腈和超临界二氧化碳的共溶剂体系中。计划对其他溶剂体系和染料进行研究。红外线和拉曼光谱测量分子的振动频率。这些频率是原子的特征，以及它们在分子中的连接方式。这种分析工具是一种敏感的探针，可以探测分子的结构以及周围环境如何影响它们。这有助于更好地了解如何更有效地提取溶解物质，处理燃料和化学品，并改进使用化学品的制造过程。该仪器将提高波特兰大学本科生的教学和研究水平。

With support from the Major Research Instrumentation (MRI) Acquisition Program, the Department of Chemistry at the University of Portland will acquire a Fourier Transform Infrared/ Fourier Transform Raman Spectrometer (FT-IR/FT-Raman). The instrument will be used to investigate interactions between solutes and solvents in supercritical fluids. One system to be studied will be Rhodamine B dissolved in the co-solvent system of acetonitrile and supercritical carbon dioxide. Study of other solvent systems and dyes is planned.Infrared and Raman spectroscopy measure the vibrational frequencies of molecules. These frequencies are characteristic of the atoms and how they are connected in a molecule. This analytical tool is a sensitive probe of the structure of the molecules and how the surrounding environment influences them. This can help to better understand how to more efficiently extract dissolved substances, process fuels and chemicals, and improve manufacturing processes using chemicals. The instrument will enhance teaching and research of undergraduates at the University of Portland.