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Radium nitrate

Radium nitrate is a radioactive salt with the formula Ra(NO3)2. It is a white solid, but old samples appear yellowish-grey. Although radium chloride and radium bromide are less soluble than the corresponding barium salts, radium nitrate is more soluble than barium nitrate.[1][2] It decomposes at 280 °C to radium oxide.[citation needed]

Production

Radium nitrate is produced by the reaction of radium carbonate or radium sulfate with nitric acid:[2]

RaCO3 + HNO3 → Ra(NO3)2 + CO2 + H2O

References

  1. ^ a b Otto Erbacher (1930). "Löslichkeits-Bestimmungen einiger Radiumsalze" [Solubility determinations of some radium salts]. Chemische Berichte (in German). 63 (1): 141–156. doi:10.1002/cber.19300630120.
  2. ^ a b Kirby, H. W.; Salutsky, Murrell L. (1964). The Radiochemistry of Radium (PDF). National Academies Press. pp. 4–8.


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