Compositions – Nonreactive analytical – testing – or indicating compositions
Patent
1977-09-01
1979-06-05
Padgett,, Benjamin
Compositions
Nonreactive analytical, testing, or indicating compositions
23232R, 23232E, 422 90, 73 19, 73 23, 106 734, 252518, 264 60, 264 61, 264 66, 324 33, 315111, C01N 2762, C09K 300, H01J 724
Patent
active
041573110
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.
REFERENCES:
patent: 3471746 (1969-10-01), Roberts
patent: 3895963 (1975-07-01), McCowan
patent: 3979625 (1976-09-01), Roberts
patent: 3991360 (1976-11-01), Orth et al.
patent: 4013477 (1977-03-01), Jatkar et al.
patent: 4082826 (1978-04-01), Iijima
Ray, A. K., et al., Mat. Res. Bull., vol. 10, No. 6, pp. 583-590 (1975).
"Comprehensive Inorganic Chemistry," vol. 1, Bailar, Jr., et al., editors, Pergamon Press, N.Y., p. 1036 (1973).
Orth Edward D.
Schultz William J.
General Electric Company
Gron T. S.
Padgett Benjamin
Simkins R. G.
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