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Promethium(III) hydroxide is an inorganic compound with a chemical formula Pm(OH)3. It is a radioactive compound.
Production
Promethium(III) hydroxide can be produced by reacting ammonia water with a solution of a promethium(III) salt, from which promethium(III) hydroxide precipitates as a purplish-pink amorphous solid. By heating with water, it can be forced to crystallize, giving hexagonal crystals isomorphous with other rare earth hydroxides:[1]
Pm3+ + 3OH− → Pm(OH)3↓
References
^Weigel, Fritz; Scherer, Volker (1967). "Die Chemie Des Promethiums. VI. Kristallines Promethium(III)-hydroxid" [Chemistry of promethium. VI. Crystalline promethium(III) hydroxide]. Radiochimica Acta (in German). 7 (2–3): 72–74. doi:10.1524/ract.1967.7.23.72. S2CID201841420.
This page was last edited on 27 January 2024, at 17:09