Fig. (4)
Radiochemical yield of
99m
Tc-salmeterol xinafoate as a function of pH amount. Reaction conditions: 0.5 mg salmeterol xinafoate, 10 mg of NaBH
4
, pH = X, 1 mL(~400 MBq) of
99m
TcO
4
– solution, room temperature, 30 min.
