University Chemistry ›› 2023, Vol. 38 ›› Issue (1): 206-212.doi: 10.3866/PKU.DXHX202202003

• Chemistry Laboratory • Previous Articles     Next Articles

Operation Details in Teaching Basic Organic Chemistry Experiments: Practical Technique of Atmospheric Distillation

Fang Li1, Weiguang Zhao2,*()   

  1. 1 National Demonstration Center for Experimental Chemistry Education, College of Chemistry, Nankai University, Tianjin 300071, China
    2 State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
  • Received:2022-02-05 Accepted:2022-04-15 Published:2022-04-25
  • Contact: Weiguang Zhao E-mail:zwg@nankai.edu.cn

Abstract:

The devil is in the details. Although atmospheric distillation is a basic purification technique in organic chemistry, a literature search on the subject revealed that many practical details of the process are not explained in depth, whether in textbooks or articles. As a result, many students and even some teachers harbor misconceptions about distillation techniques. Based on knowledge acquired from years of practical experience in organic synthesis, this paper presents these missing details as well as common mistakes encountered throughout the distillation process, from the setup and use of the lab equipment to the distillation itself. It is hoped that this paper will facilitate fruitful discussions with peers and help students master distillation in the lab.

Key words: Atmospheric distillation, Basic operation, Teaching