IONICON PTR-TOFMS series Performance Data
The IONICON PTR-TOFMS series is leading their respective fields in the market of time of flight based PTR-MS instruments:
- The new PTR-TOF 1000 is our smallest, lightest and most affordable PTR-TOFMS
- The PTR-TOF 8000 is the world's bestselling PTR-TOFMS instrument - basis of many SCIENCE and NATURE papers
- The new PTR-QiTOF is by far the most sensitive commercial instrument in the world, featuring the highest ever reported mass resolving power and the lowest possible detection limit.
Linearity of instrumental response for IONICON PTR-QiTOF, PTR-TOF 8000 and PTR-TOF 1000 instruments. The data points are obtained by analyzing dichlorobenzene isotopes at various dilution levels. The color coded vertical lines represent the calculated LoDs (10s integration time) for the respective instruments.
Mass resolution of IONICON PTR-QiTOF, PTR-TOF 8000 and PTR-TOF 1000 instruments for protonated trichlorobenzene on m/z 181. The resolutions are calculated by dividing the full width at half maximum of the respective peak by 181 (FWHM method), i.e. without any fitting functions.
Sensitivity (cps/ppbv) for IONICON PTR-QiTOF, PTR-TOF 8000 and PTR-TOF 1000 instruments. The sensitivities are obtained by analysis of compounds from certified gas standards.
Limit of Detection
Limit-of-Detection (LoD) at m/z 147 for IONICON PTR-QiTOF, PTR-TOF 8000 and PTR-TOF 1000 instruments. LoDs are calculated using the 3σ (standard deviation) method for integration times between 0.1 and 60 s.
Minimum integration time needed to achieve a relative error of 5% and 10%, respectively, while analyzing a concentration of 100 pptv at m/z 147 with IONICON PTR-QiTOF, PTR-TOF 8000 and PTR-TOF 1000 instruments. The integration times are calculated using measured sensitivities. The relative errors are calculated dividing the square-root of the ion count rate by the ion count rate.
Calculated ion yields (in ion counts; based on the measured sensitivities) for concentrations starting at the 3σ LoDs up to 300 pptv. The error bars represent the square-root of the ion counts.