Triple Point Cell

This illustration is adapted from C. J. Adkins, Thermal Physics

The cell is cooled until ice, water, and water vapour are all present and in equilibrium. The temperature is then 273.16K by definition. A thermometer may be calibrated by inserting it into the central tube.

Created: 23 - Jan - 1997.
Last modified: 18 - Sept - 1998.
Copyright © 1998, Graham Brodie.

Maintainer: Graham Brodie, Email