Liquid-Liquid Extraction and Recrystallization
This is a slight modification of the article in J Chem Educ 1982, 59, 386. This lab experiment involves the extraction of three different colored solids (azobenzene, m-nitroaniline, and benzoic acid) and the recrystallization of benzoic acid. The lab is performed over a two week period. The experimental procedure given to the students includes learning objectives and a list of the expections.