Actinium-225 (Accelerator-Produced)

Related Products:   Actinium-225  Actinium-227
ISOTOPE    Actinium-225 (Accelerator-Produced)
Request a Quote
Half Life / Daughter10.0 days to francium-221
Decay ModeMultiple alpha and beta emissions to stable bismuth-209
Major RadiationAlpha: 5.83 MeV
Beta: 1.42 MeV
FormSolid actinium nitrate
ActivityTheoretical Ac-225 Specific Activity: 5.8x104 Ci/g; not carrier
free (contains Ac-227)
Radiopurity≥99% by activity (gamma spectroscopy), not including daughter
isotopes or Ac-227
≤2% Ac-227 at shipment (value extrapolated from
earlier runs)
SourceProton irradiation of a natural thorium target at Brookhaven or Los Alamos National
chemically processed at Oak Ridge National Laboratory
ProcessingSeparated by ion exchange and extraction chromatography
ShipmentGlass screw top V-vial in nonreturnable container
AvailabilityEvery other month
Unit of SaleMillicuries
ContactOak Ridge National Laboratory
National Isotope Development Center
Call: (865) 574-6984
Fax: (865) 574-6986

Copyright © 1996-2015 Oak Ridge National Laboratory. All rights reserved.