Radium-225

Related Products:   Radium-223  Radium-224 G
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ISOTOPE    225Ra
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Half Life / Daughter14.8 days to actinium-225
Decay ModeMultiple alpha and beta emmisions ot stable bismuth-209
Major RadiationAlpha: 8.38 MeV
Beta: 1.42 MeV
FormDried Nitrate Solid
Activity3.92 x 104 Ci/g (specific activity); carrier free
Radiopurity90 - 95% radium-225
PRODUCTION
SourceDecay of thorium-229
ProcessingIon-exchange and solvent extraction
DISTRIBUTION
ShipmentGlass screw-cap bottle in nonreturnable container
AvailabilityEvery 2 weeks, 20-30 mCi. 4-6 weeks advance order
Unit of SaleMillicurie
ContactOak Ridge National Laboratory
National Isotope Development Center
Call: (865) 574-6984
Fax: (865) 574-6986
email: contact@isotopes.gov

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