57.
(11) Patent number: 2158712
(46) Date of publication: 10.11.2000
(51) Int. Cl.7: C 01 F 17/00
(21) Application number: 98123709/12
(22) Application date: 28.12.1998
(71) Applicant:
Institut neorganicheskoj khimii SO RAN
(72) Inventor:
Osadchaja L.I.,
Kamarzin A.A.,
Sokolov V.V.,
Trushnikova L.N.,
Zubareva A.P.
(73) Proprietor:
Institut neorganicheskoj khimii SO RAN
(98) Mail address:
630090, g.Novosibirsk-90, pr. Akad. Lavrent'eva 3, INKh SO RAN, patentnyj otde
(54) METHOD OF PREPARING CERIUM HYDRIDE
(57)
FIELD: chemical industry. SUBSTANCE: anhydrous cerium chloride and lithium hydride are heated at 700-1000 C in inert atmosphere. Reaction mixture is discharged into cooled water and product is tried with alcohol. Heat treatment at 700-740 C gives cerium hydride composed of CeH2, 73 . Heat treatment at 720 C and then at 1000 C gives CeH2 composed of b and g phases. EFFECT: more efficient preparation method. 3 cl, 2 ex
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