Fig. (5)
Radiochemical yield of
99m
Tc-salmeterol xinfoate as a function of the reaction time. Reaction conditions: 0.5 mg salmeterol,10 mg of NaBH
4
, pH = 9, 1 mL(~400 MBq) of
99m
TcO
4
– solution, room temperature, X min reaction time.