Arsenic-72

ISOTOPE ⁷²As
Half Life / Daughter	26.0 hours to germanium-72
Major Radiation	Positron - 2.49 MeV Gamma - 843.1 keV
Form	Arsenic (V) in 0.1 M HCl
Activity	> 1 mCi/ml (concentration)
Radiopurity	99%
PRODUCTION
Source	Daughter of selenium-72 decay
Processing	Dissolution, precipitation, and filtration
DISTRIBUTION
Shipment	Crimp-seal glass vials
Availability	Call
Unit of Sale	Millicuries
Contact	Oak Ridge National Laboratory Isotope Business Office Call: (865) 574-6984 Fax: (865) 574-6986 email: isotopes@ornl.gov