Chemistry of inorganic compounds – Halogen or compound thereof – Plural metal or metal and ammonium containing
Patent
1992-09-24
1994-05-17
Cooper, Jack
Chemistry of inorganic compounds
Halogen or compound thereof
Plural metal or metal and ammonium containing
2523014H, C09K 1161, C09K 1167
Patent
active
053126122
ABSTRACT:
Polymorphous phosphorescent compounds of the formula MNbOF.sub.5, wherein M is at least one of barium, strontium, lead and calcium, are prepared by the reaction of the appropriate metal oxide or fluoride with niobium(V) oxide in aqueous hydrofluoric acid.
REFERENCES:
patent: 4741893 (1988-05-01), Watanabe et al.
Lipeng et al. "J. of Non-Crystalline Solids" 140 (1992) pp. 220-224.
Levchishina et al. "Chem. Abstracts", vol. 88, 1978, 57754v.
Ackerman John F.
Srivastava Alok M.
Cooper Jack
General Electric Company
Pittman William H.
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