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IROX 2000 Gasoline Analyzer


Portable Gasoline Analysis with mid-FTIR Product | Small | IROX 2000 
 
IROX is an extremely compact, robust and user friendly Mid-FTIR spectrometer for the automatic measurement of the concentration of the most important components of gasoline. Thanks to an improved mathematical model and the use of a built-in density meter, the instrument additionally provides most reliable results for key properties such as Octane Numbers, Distillation Properties and Vapor Pressure. A large number of country specific calibration samples are stored. Outlier fuels can be easily added even without a PC.
The portability and vehicle battery options are ideal for on-site field use.

MID-INFRARED SPECTROSCOPY
The heart of the instrument is an extremely compact and rugged mid-FTIR spectrometer. Fully automatic optical realignment during the warm-up time ensures high stability even after long use or transport of the tester.

COMPLETE IR-SPECTRUM
Instead of a few filter-lines, the complete absorption spectrum is measured. This provides complete information of the substances present in gasoline and eliminates variations of the baseline and minimizes interferences. The detailed analysis in combination with the unique mathematical model, based on k-matrix correlation, cluster analysis (CA) and multi linear regression (MLR) make IROX 2000 the superior mid-IR gasoline analyzer to measure the composition of the gasoline and determine properties such as Octane Numbers, Distillation Point and Vapor Pressure.

IMPROVED CALCULATION MODEL FOR OCTANE NUMBERS DETERMINATION: NEW APPROACH TO A COMPLEX PROBLEM

An enhanced mathematical model, based on Multi Linear Regression (MLR) for the determination of the fuel properties leads to even more reliable results for RON, MON, Distillation temperatures, Total Aromatics, Olefins and Vapor Pressure. High Olefins concentrations (>40%v) and aromatics have a significant influence on the determination of RON & MON in multivariate models by using the concentrations of various components in the IR-spectrum.
The new model looks at peak amplitudes rather than concentrations behind every absorbance peak.

Finally, the calculation of the second derivative of the spectrum leads to a better reproducibility, a better resolution to distinguish overlapping peaks and the linear background is eliminated. The new model provides a better basis for correlation of the mentioned properties. Oxygenates like MTBE, ETBE and TAME also influence the octane properties of gasoline significantly. Lately the component TAME has been added to the calculation model for the determination of RON/MON: the peak intensities at the typical TAME positions in the gasoline spectrum are included in the calculation.

ON-SITE CALIBRATION
For the IROX 2000, a large number of international calibration samples are stored. Outlier fuels are identified and indicated by an alarm message. They can easily be added using the installed calibration menu (no PC necessary). Adding new samples takes less than 4 minutes, immediately improving the accuracy of the measurement.

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