Quality evaluation of agricultural distillates using different types of electronic noses

Tomasz Dymerski; Jacek Gębicki; Jacek Namieśnik

doi:10.1117/12.2070461

19 August 2014 Quality evaluation of agricultural distillates using different types of electronic noses

Tomasz Dymerski, Jacek Gębicki, Jacek Namieśnik

Proceedings Volume 9291, 13th International Scientific Conference on Optical Sensors and Electronic Sensors; 92910D (2014) https://doi.org/10.1117/12.2070461
Event: 13th International Scientific Conference on Optical Sensors and Electronic Sensors, 2014, Lodz, Poland

Abstract

The paper presents the results of investigation on quality evaluation of agricultural distillates using a prototype of electronic nose instrument and a commercial electronic nose of Fast/Flash GC type– HERACLES II. The prototype was equipped with TGS type semiconductor sensors. HERACLES II included two chromatographic columns with different polarity of stationary phase and two FID detectors. In case of the prototype volatile fraction of the agricultural distillate was prepared via barbotage process, whereas HERACLES II analysed the headspace fraction. Classification of the samples into three quality classes was performed using: quadratic discriminant function (QDA), supported with cross-validation method. Over 95% correct classification of the agricultural distillates into particular quality classes was observed for the analyses with HERACLES II. The prototype of electronic nose provided correct classification at the level of 70%.

Citation Download Citation

Tomasz Dymerski, Jacek Gębicki, and Jacek Namieśnik "Quality evaluation of agricultural distillates using different types of electronic noses", Proc. SPIE 9291, 13th International Scientific Conference on Optical Sensors and Electronic Sensors, 92910D (19 August 2014); https://doi.org/10.1117/12.2070461

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