A simple, non-destructive and rapid radiochemical separation of radiogallium from Zn and Cu targets by ion-exchange chromatography
using Amberlyst 21b was studied. The separation yield was high, while the chemical impurity in the separated radiogallium
(inactive Zn or Cu) was low (<0.4 μg). The final product was obtained in the form of gallium citrate in a single step method
technique that avoided the time consumption and corrosive evaporation.