Fig. (3)
Radiochemical yield of
99m
Tc-salmeterol xinafoate as a function of NaBH
4
amount. Reaction conditions: 0.5 mg salmeterol xinafoate, X mg of NaBH
4
, pH 9, 1 mL(~400 MBq) of
99m
TcO
4
–solution, room temperature, 30 min.
