Radium carbonate

Radium carbonate is a compound of radium, carbon, and oxygen. This salt is a poisonous, radioactive, amorphous,[4] white powder that is used in medicine.[2] It is notable for being more soluble than barium carbonate, unlike other radium compounds. Even though it is insoluble in water, it is soluble in dilute acids and concentrated ammonium carbonate.[5]

Radium carbonate
Names
IUPAC name
Radium carbonate
Identifiers
3D model (JSmol)
Properties
RaCO3[2]
Molar mass 286.0089 g[3]
Appearance white powder[2]
insoluble[2]
Hazards
Main hazards radioactive
Related compounds
Other cations
 Beryllium carbonate
Magnesium carbonate
Calcium carbonate
Strontium carbonate
Barium carbonate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Preparation

Radium carbonate can be produced by using Ra2+ ions and carbonate:[6]
Ra2+ + CO32- → RaCO3. Because of the very low solubility of this salt, it will form a white precipitate.

Reactions

Radium carbonate can be used to produce radium nitrate and other radium salts:
RaCO3 + 2HNO3 → Ra(NO3)2 + H2O + CO2

References
  1. "Radium carbonate - Hazardous Agents | Haz-Map". Haz-Map. Retrieved 2020-11-30.
  2. "Radium carbonate | Article about radium carbonate by The Free Dictionary". The Free Dictionary By Farlex. Retrieved 2020-11-30.
  3. "RADIUM CARBONATE - (7116-98-5) - Physical Properties • Chemical Properties • Solubility • Uses/Function • Reactions • Thermochemistry". Chemistry-Reference.com. Retrieved 2020-11-30.
  4. "Radium carbonate CAS#: 7116-98-5". Chemical Book. 2017. Retrieved 2020-12-03.
  5. "The Radiochemistry of Radium". Office of Scientific and Technical Information. Retrieved 2021-01-08.
  6. Richard C. Ropp. Encyclopedia of the Alkaline Earth Compounds. Elsevier, 2013. pp 370-371. Radium Carbonate


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