Radium Bromide

Name:
Radium Bromide
Detailed information:

M Formula:	RaBr2
Properties:
White crystals, becoming yellow or pink, radioactive. D 5.79, mp 728C, sublimes at 900C. Soluble in water and alcohol.
Derivation:
Freed from the ores as a bromide mixed with barium bromide.
Method of Purification:
Fractional crystallization.
Impurities:
Barium salts.
Grade:
Technical, pure. The purity is determined by the strength of the ionizing power of the salt, i.e., the extent to which it causes air to conduct electricity.
Hazard:
As for radium.
Use:
Medicine (cancer treatment), physical research.