IONICON integrates its sensitivity boosting ion funnels and ion guides in a highly sophisticated way, so that the ion-chemistry remains well-controllable. In order to set and measure the E/N just as easily as in standard drift tubes, the revolutionary TRU-E/N method has been patented (US 10,074,531 B2; EP 3309817 A1). By calibrating the PTR-MS instrument with the proprietary method, IONICON’s new generation high-sensitivity trace gas analyzers enable precise E/N conditions, selectivity enhancing E/N scans, well-reproducible measurement results and the highest possible level of quantification accuracy.
With the patented TRU-E/N method a whole series of instrumental parameters (RF and DC voltages) are automatically adjusted so that the resulting branching ratios resemble those known from standard PTR-MS drift tubes at a corresponding calculated E/N value, however, at the outstanding top-level sensitivity guaranteed by IONICON’s ion funnels and ion guides.
Eventually, this innovation is just another prove that only IONICON produces genuine PTR-MS instruments with ultra-high sensitivity and selectivity. Do not get fooled by any random CIMS devices, which dazzle with stupendous sensitivity values for some limited compounds but play an ion-chemistry game of chance.