|
|
Article: Beat the azeotrope.(Brief Article)
- Article from:
- Chemistry and Industry
- Article date:
- July 10, 2000
- Author:
CopyrightCOPYRIGHT 2000 Society of Chemical Industry. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
Vacuum distillation of high boilers is a common part of the chemist's armamentarium, and super atmospheric distillation is commercially employed to avoid refrigerated condensers. In both cases, we try to maintain constant pressure. But fluctuating pressure has advantages, too. Since the composition of azeotropic mixtures changes with pressure, azeos ...