Specifications

Radioisotope Ra-224
Half-Life/Daughter 3.6319 days to radon-220
Chemical Form Radium chloride in 1 M HCl solution or solid radium nitrate
Radionuclidic Purity >99.9% Ra-224; <0.1% Th-228
Production Route Decay of thorium-228
Processing Ion exchange separation
Primary Container Glass V-vial
Availability Routinely available (monthly)
Unit of Sale Millicuries
Other Information
Ra
Radium-224