310/2010 - Apparatus having the appearance of a walk-through portal used at airport security points (so-called ‘mass spectrometer’). It is designed for the detection of illicit substances, such as explosives and narcotics, by using Ion Trap Mobility Spectrometer (ITMS) technology. The analysis is based on samples of air which pass through a semi- permeable membrane and enter an ionisation chamber where an ionisation source emits beta particles resulting in ion formation in the gaseous phase. The ionisation - The Trade Hub