Nachtrieb, Norman H. Formerly, Department of Chemistry, University of Chicago, Chicago, Illinois.
Last reviewed:May 2018
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- Vapor pressure
- Triple point
- Energy requirements
- Related Primary Literature
- Additional Reading
The process by which solids are transformed directly to the vapor state without passing through the liquid phase. Frozen carbon dioxide, or dry ice (Fig. 1), as well as snow and ice sublime. Sublimation is also of considerable importance in the purification of certain substances such as iodine, naphthalene, and sulfur. In addition, freeze drying (lyophilization) is a method for removing water or solvent from frozen materials by sublimation. See also: Carbon dioxide; Dry ice; Lyophilization
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