Inventors:
Edward D. Orth - Boxford MA
William J. Schultz - Lynnfield MA
Assignee:
General Electric Company - New York NY
International Classification:
C01N 2762, C09K 300, H01J 724
Abstract:
A method of making a mixture of sensing material for a halogen vapor sensor characterized by providing granular activated Alumina (Al. sub. 2 O. sub. 3) and firing it in a sensitizing material, in the class of alkali metals including carbonates of sodium, lithium, potassium, cesium and rubidium, under controlled temperature conditions for a predetermined time to distribute the sensitizing metal throughout the interstices of the Alumina.