Mr. Leonid N. Isaev Profile

Leonid N. Isaev

at Univ ITMO

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Proceedings Article | 15 May 2014 Paper

Analyzer for measurement of nitrogen oxide concentration by ozone content reduction in gas using solid state chemiluminescent sensor

V. Chelibanov, G. Ishanin, L. Isaev

Proceedings Volume 9141, 91411Z (2014) https://doi.org/10.1117/12.2049451

KEYWORDS: Ozone, Nitrogen, Oxides, Sensors, Solid state electronics, Calibration, Chemiluminescence, Cameras, Optical filters, Oxygen

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Role of nitrogen oxide in ambient air is described and analyzed. New method of nitrogen oxide concentration measurement in gas phase is suggested based on ozone concentration measurement with titration by nitrogen oxide. Research of chemiluminescent sensor composition is carried out on experimental stand. The sensor produced on the base of solid state non-activated chemiluminescent composition is applied as ozone sensor. Composition is put on the surface of polymer matrix with developed surface. Sensor compositions includes gallic acid with addition of rodamine-6G. Model of interaction process between sensor composition and ozone has been developed, main products appeared during reaction are identified. The product determining the speed of luminescense appearance is found. This product belongs to quinone class. Then new structure of chemiluminescent composition was suggested, with absence of activation period and with high stability of operation. Experimental model of gas analyzer was constructed and operation algorithm was developed. It was demonstrated that developed NO measuring instrument would be applied for monitoring purposes of ambient air. This work was partially financially supported by Government of Russian Federation, Grant 074-U01

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