From Observation to Prediction to Application: A Guided Exercise for Liquid–Liquid Extraction
From Observation to Prediction to Application: A Guided Exercise for Liquid–Liquid Extraction
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从观察到预测再到应用：液-液萃取指导练习
DOI：
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发表时间：
2018
影响因子：
3
通讯作者：
Mitchell Kraweic
中科院分区：
文献类型：
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作者：
Tevye C. Celius;Ronald C. Peterson;Amelia M. Anderson;Mitchell Kraweic
在这个有机化学实验中，学生将通过一系列练习来了解化合物在液-液萃取过程中的行为。密度，结构，溶解度，酸碱理论和pKa的方面都纳入学生在小组完成的活动。在用他们最初的观察对两种有色化合物，尼罗河蓝和2，6-二氯靛酚进行预测后，学生们通过在实验室中对这些化合物进行液-液萃取来检验他们预测的可靠性。这套练习的高潮是将这些程序应用于现实世界的情况。
In this organic chemistry laboratory experiment, students are guided through a series of exercises to understand the behavior of compounds during liquid–liquid extraction. Aspects of density, structure, solubility, acid–base theory, and pKa are all incorporated into activities that students complete in groups. After using their initial observations to make predictions about the two colored compounds, nile blue and 2,6-dichloroindophenol, students check the reliability of their predictions by carrying out liquid–liquid extractions of these compounds in the laboratory. The set of exercises culminates in the application of the procedures to a real-world situation.