Monitoring Ion Exchange Chromatography with Affordable Flame Emission Spectroscopy
Monitoring Ion Exchange Chromatography with Affordable Flame Emission Spectroscopy
复制标题
使用经济实惠的火焰发射光谱仪监测离子交换色谱
DOI:
10.1021/acs.jchemed.2c00455
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发表时间:
2022
影响因子:
3
通讯作者:
Reber, David
中科院分区:
文献类型:
--
作者:
Thurston, Jonathan R.;Marshak, Michael P.;Reber, David
Highlighting the interdisciplinary nature of research, we present a series of experiments for undergraduate lab courses that teach the principles of preparative ion exchange chromatography and flame emission spectroscopy. Through these inquiry-based experiments, the students learn about experimental design and instrument limitations, naturally connecting general chemistry principles with analytical and physical chemistry and materials science. The goal is to devise experimental parameters that allow quantitative ion exchange on a small scale, and to monitor the exchange with optical spectroscopy. The small-footprint, inexpensive flame emission spectroscopy setup we developed can be used to accurately determine relative concentrations of alkali metal ions in a sample, while also being suitable for simpler experiments, which allow it to be employed in a variety of classes. In a demonstration for energy research, we then perform the presented experiments on redox flow battery electrolytes to investigate the influence of the cation choice on battery performance.
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