16
INR Rb Target Process (2)
•
Dissolve RbCl in 0.1 M NH
3
/NH
4
+
buffer
solution (pH 9 - 10); filter to remove Al
•
Pass filtrate through Chelex 100 ion exchange
column; Sr retained, Rb in eluate
•
Wash column with buffer, then water
•
Elute Sr-82 with 4 M HCl
•
Evaporate to dryness
•
Dissolve in 0.1 M HCl
