Preparation of lanthanum oxocuprate in alkali metal nitrate melts

Matei, C.; Jitaru, I.; Andronescu, E.; Novac, A.

Advances in Molten Salts

ISBN Druckformat: 1-56700-142-4

Preparation of lanthanum oxocuprate in alkali metal nitrate melts

C. Matei University Politehnica of Bucharest, Faculty of Industrial Chemestry, Department of Inorganic Chemistry, 1, Polizu street, Bucharest Romania

I. Jitaru University Politehnica of Bucharest, Faculty of Industrial Chemestry, Department of Inorganic Chemistry, 1, Polizu street, Bucharest Romania

E. Andronescu University Politehnica of Bucharest, Faculty of Industrial Chemestry, Department of Oxidic Materials, 1, Polizu street, Bucharest Romania

A. Novac National Institute of Resource and Development for Materials Physics, Magurele Romania

Abstrakt

In order to obtain the best experimental conditions for La₂CuO₄ preparation, this paper studies the reactions in the following systems: LaX₃ - CuX₂ - E; La₂0₃ - CuX₂ - E and [CuLa₂(A0)₂(0H)₄(H₂0)₆]Cl₂ - E (where X = Cl⁻, NO⁻₃; E = an equimolar (Na,K)N0₃ melt; AO = monodeprotonated triethanolamine). The formation temperature of La₂Cu0₄ has been established by thermal analysis. IR spectra, XRD patterns data and magnetic properties of obtained lanthanum oxocuprate have been also determined.

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