Fig. 7From: Pitfalls and solutions of the fully-automated radiosynthesis of [11C]metoclopramideProgression of the turnover of [11C]CH4 to [11C]CH3I and trapping of the activity on the methyl iodide trap, for a successful reaction (black) and failed reaction caused by presence of hydrogen (red) in the circulation unit of the GE TRACERlab™ FX C Pro synthesizerBack to article page