再结晶
Recrystallization
再结晶须有耐心，但它是值得的!此影片让你用一种溶剂与两种溶剂的再结晶方法从溶解度测试到冷过滤来经验此过程。
Recrystallization takes patience,but it’s worth it! This video walks you through the procedure,from solubility tests to cold filtration,with information on one-solvent and two-solvent recrystallizations.