polonate
De Wiktionnaire, le dictionnaire libre
De Wiktionnaire, le dictionnaire libre
Singulier | Pluriel |
---|---|
polonate | polonates |
\pɔ.lɔ.nat\ |
polonate \pɔ.lɔ.nat\ masculin
Pour des conditions naturelles moyennes dans l’environnement, […] le polonium en solution est à l’état + IV —son degré d’oxydation le plus fréquent— et sera vraisemblablement sous la forme d’ions polonates PoO32−.— (F. Coppin, S. Roussel-Debet, Comportement du 210Po en milieu terrestre : revue bibliographique, Radioprotection, vol. 39, no. 1, 2004, pp. 39–58)
polonate \Prononciation ?\ (pluriel : polonates)
As is the case for bismuth, the compounds of polonium are more ionic in the lower oxidation states than are those of tellurium. The stability of the Po(VI) state is low, with the existence of polonate(VI) ion or polonic(VI) acid being doubtful.— (Robert Crocker Brasted, Comprehensive Inorganic Chemistry, Vol. 8: Sulfur, Selenium, Tellurium, Polonium, and Oxygen, Van Nostrand, 1953)
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