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Chemistry of rare earth elements. XXXII. Scandium phosphate

F. Petrů and A. Muck

Lehrstuhl für anorganische Chemie an der Chemisch-technolgischen Hochschule, Praha

 

Abstract:  Sc2O3 (5.1 g.) was dissolved in a slight excess of 1:1 HCl, the soln. filtered, dild. with H2O to 250 ml. and 10.1 g. KH2PO4 (dild. to 250 ml. with H2O) added with stirring. The pH was adjusted to 4 with NaOAc soln. The white ppt. of ScPO4.xH2O (where x ∼3.2) was characterized using GTA, DTA, x-ray powder method, and infrared spectroscopy. Adsorbed H2O (not crystal lattice H2O) was evolved at 20-350° to give ScPO4. Heating at 800-30° causes formation of amorphous ScPO4.

Full paper in Portable Document Format: 2010a789.pdf (in Czech)

 

Chemical Papers 20 (10) 789–791 (1966)

Wednesday, October 23, 2019

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