A New Absolute Method of Hygrometry. I. The General Principles of the Method

Abstract

This paper is the first of two which give a detailed treatment of a new method of hygrometry. In this method an ionic single crystal is surrounded by the gas which is the subject of measurement, and the temperature of the whole is so adjusted that a very thin layer of saturated solution is formed on the crystal surface and is brought to a constant thickness as determined electrically. The temperature thus established provides a measure of the absolute humidity of the gas.