Holmium-166

ISOTOPE ¹⁶⁶Ho
Half Life / Daughter	26.8 hours to erbium-166
Major Radiation	Gamma - 80 keV Beta - 666 keV
Form	Holmium chloride in 0.1 M HCl
Activity	~ 1 x 10⁴ Ci/g (theoretical)
Radiopurity	> 99%
PRODUCTION
Source	Neutron capture on enriched holmium-165 oxide.
Processing	Holmium oxide target dissolved in HCl and HNO₃ mixture which is evaporated to dryness and residue is take-up in 0.1 M HCl
DISTRIBUTION
Shipment	Glass bottle
Availability	6-8 weeks advance order
Unit of Sale	0.5 - 1.0 Ci lot
Contact	Oak Ridge National Laboratory Isotope Business Office Call: (865) 574-6984 Fax: (865) 574-6986 email: isotopes@ornl.gov