A. The study of the charge transport phenomena in ultrasensitives detectors, based on the ion mobility, for identification of some persistent organic pollutants (POP). The study and calculation of some SMI detector variants.
B. The thermodynamic study of the conductometric types detectors for ultrasensitive detection, by chromatography in gaseous phase of some inorganic pollutants - SO2, H2S, NO, NO2, CO, CO2.
C. The study of physical and chemical phenomena that determine the functional parameters of the electrolytic detector
The ion movement in longitudinal electric field. Ion-molecule reactions studies.
Collisions studies, diffusion in gases at the atmospheric pressure and its influence on the in mobility.
The study of the thermodynamic phenomena in thermal conductivity microdetectors with strip filament from polypyrrole used to the detection of some atmospheric gaseous pollutants.
The determination of the internal volume influence, of the gas flow way and of the temperature difference between filament - wall on the transfer function of the detector.
Physical and chemical study of the electrolytic detector.
The elaboration of the technical concepts, for the realization of the measurement configuration with those three components, destined to the specific analysis the proposed objective:
The study and the calculus of the analyzing cell based on the ion mobility in homogeneous and alternating fields.
The study and calculus of the drift gas flowing.
The study and calculus of the dedicated interfaces to couple IMS with a gas chromatograph. The research and realization of the reaction furnace for the electrolytic detector.
A.The realization of the measurement configuration to test the thermal conductivity micro-detector with polypyrrole strip filament.
B.The realization of the analytical element of the ultrasensitive electrolytic detector.
A low temperature gas-chromatographic column oven adaptation, with thermostatic Peltier units, to assembly two open capillary columns and one unit for thermal conductivity micro-detector.
The realisation of the detection cell for electrolytic detection.
The adaptation of the pneumatic circuits and of the low temperature gas-chromatograph sample inlet system, to work with reduced gas flow.
The research and realization of the de-ionized water supply system of the electrolytic detector.
The research and realization of the reaction furnace for the electrolytic detector.
Thermal conductivity microdetector coupling at a data acquisition system and elaboration of the program packet for the signal digital processing.
The realization of the electronic unit for the ultrasensitive electrolytic detector. The research - development of the laboratory model of the mobility spectrometer. The realization of the coupling interface IMS - gas - chromatograph and coupling performing.
The research, developing and realization of the measurement electronic unit for electrolytic detector.
The research, developing and realization of the control electronic unit for the electrolytic detector components.
The research, developing and realization of an intelligent interface to couple the electrolytic detector with the integrated digital monitoring system for data processing.
IMS experimental model realization.
The realization of the drift gases flow system.
The realization of the PC control interface for ion mobility spectrometer.
The realization of the GC-IMS coupling interface and the performing of the coupling.
The research results dissemination.
The experimentation of the gas-chromatographic installation realised with thermal conductivity micro-detector. The GC-IMS experimental model testing, testing of the gas chromatograph with electrolytic detector.
The carrier and standard mixture test gases preparation.
Low temperatures GC with polypyrrole (PPYI) strip filament based thermal conductivity microdetector ( TCD) testing, in standard condition using carrier gas He, to complete characterization of the functional parameter and to prove its superiority.
Theoretical models and a acquisition and processing software revising to fit them with the real transfer function of the microdetector.
The pure gases flow and the sample inlet system testing for IMS.
The experimental model GC-IMS testing.
The experimental model GC - electrolytic detector testing.
The elaboration and implementation of a software interface for analytical data interpretation.
The elaboration and implementation of a software interface for the working control of the electrolytic detector.
The elaboration of the analytical methods using unconventional detectors.
The elaboration of a sample collection programme.
The elaboration of the sample preparation methods for analysis.
The results dissemination.
The improvement and testing of the analytical method based on experimental data. The performing of analysis of the samples collected from contaminated regions of Transylvania and Oltenia.
The tandems GC-unconventional detectors testing.
The sample collection from the contaminated regions from Transylvania, its preparation and analysis.
The sample collection from the contaminated regions from Northern Oltenia, its preparation and analysis.
The final working procedures elaboration for the analysis methods using tandems with unconventional detectors.