Patent Number: 6,309,534

Title: Apparatus and method for measuring the composition of gases using ionically conducting electrolytes

Abstract: The subject method and apparatus pertains to the accurate determination of a composition of gases, over a very wide range of compositions. The subject invention can utilize an ionic electrolyte (1), which separates gases of different compositions, a source of potential difference (2) which is applied across the ionic electrolyte, means for reversing the current, and means (3) for measuring the respective currents. The ratio of currents is a function of the ratio of the gas compositions on opposite sides of the electrolyte. By varying the applied potential, the sensitivity of the apparatus can be increased.

Inventors: Fray; Derek John (N/A), N/A (Cambridge CB2 3QZ, GB), Kumar; Ramachandran Vasant (Cambridge CB2 3QZ, GB)


International Classification: G01N 27/407 (20060101); G01N 027/26 (); G01N 027/407 ()

Expiration Date: 10/30/2018