Microwave Synthesis of Tetragonal Phase CdWO 4.

Autor:	Sofronov, D.S., Sofronova, E.M., Starikov, V.V., Baymer, V.N., Kudin, K.A., Matejchenko, P.V., Mamalis, A.G., Lavrynenko, S.N.
Předmět:	SCHEELITE TUNGSTATE minerals TUNGSTEN ores AMMONIUM TUNGSTEN compounds
Zdroj:	Materials & Manufacturing Processes; May2012, Vol. 27 Issue 5, p490-493, 4p, 1 Chart, 2 Graphs
Abstrakt:	Tetragonal scheelite phase of CdWO4 powder was synthesized using the microwave (MW) method by decomposition of cadmium nitrate with ammonium paratungstate mixture. The powder is stable in air but reverts to the monoclinic tungstate at temperatures exceeding 200°C. The maximum concentration of scheelite phase (about 70%) is observed during decomposition of initial components mixture in vacuum, which helps reduce synthesis time. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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