Ceramic oxyanion emitter

Details Ceramic oxyanion emitter Ceramic oxyanion emitter

1994-06-24

1996-04-09

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Yttrium, lanthanide, actinide, or transactinide containing

252518, 252521, C04B 3550

Patent

active

055061850

ABSTRACT:
A rare earth oxide matrix (composition of matter) is formed which emits (upon heating) heavy metal oxide anions (oxyanions) into a gas phase, wherein the anions are emitted with high intensity, and wherein longevity of life of the composition of matter is retained. The matter is formed by blending a major component of a rare earth oxide, Europium oxide (Eu.sub.2 O.sub.3) or Ytterbium oxide (Yb.sub.2 O.sub.3), with a minor component of a Barium (Ba), Calcium (Ca) or Strontium (Sr) salt of a heavy metal oxyanion. Heavy anions are emitted upon heating the composition of matter to a predetermined temperature of about 800.degree. C.

REFERENCES:
patent: 5111108 (1982-05-01), Goodman et al.
Delmore, J. E., et al, "Tube Ion Source for the Study of Chemical Effects in Surface Ionisation," International Journal of Mass Spectrometry and Ion Processes, 108 (1991) pp. 179-181 no month.
Delmore, J. E., "Rare Earth Oxide Catalyzed Oxidation of Rhenium to ReO.sub.3 --As Observed by Negative Surface Ionization Mass Spectrometry," The Journal of Physical Chemistry, (1987), 91, pp. 2883-2886 no month.

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