Abstract
By heating a residue attained by the evaporation of a solution containing calcium phosphate, ruthenium and nitric acid, ruthenium volatilizes. The amount of ruthenium volatilized /both carrier-free106Ru and milligram amounts of ruthenium/ depends on the composition of the solution before evaporation, on the temperature and time of residue heating. At 500 °C up to 90% of ruthenium can volatilize within six min.
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Hölgye, Z. Volatility of ruthenium during heating of a residue containing calcium phosphate. Journal of Radioanalytical and Nuclear Chemistry Letters 117, 353–360 (1987). https://doi.org/10.1007/BF02166039
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DOI: https://doi.org/10.1007/BF02166039