Combinations of luminescent materials for unambiguous identification of nitrocompound vapors | Tekhnologii bezopasnosti zhiznedeyatelnosti – Life Safety/Security Technologies. 2023. № 4. DOI: 10.17223/7783494/4/1

Combinations of luminescent materials for unambiguous identification of nitrocompound vapors

The paper considers the development of an approach for selection of combinations of luminescent materials that allow detection and identification of nitro compounds in the gas phase by fluorescent method. Four luminescent materials obtained by electrospinning fluorophore solutions onto permeable melamine-formaldehyde substrate were studied as sensors of nitro compound vapors. Sensory properties of materials were evaluated by their responses on exposure to saturated vapors of nitro-containing substances and interfering substances. An original gas analyzer and sensor element featuring a set of luminescent materials were used to measure luminescent signals of materials in the presence of analyte vapor. An algorithm for processing of time series of luminescence intensity is suggested, that allows to describe sensory properties of individual materials and their combinations and to select combinations for the unambiguous recognition of nitrocompounds as a class or of individual analytes. The authors declares no conflicts of interests.

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Keywords

luminescent materials, nitroaromatic compounds, identification, combinations of materials, vapors

Authors

Name	Organization	E-mail
Chuvashov Roman D.	Ural Federal University	chuva.rd.13@gmail.com
Baranova Anna A.	Ural Federal University	a.a.baranova@urfu.ru
Khokhlov Konstantin O.	Ural Federal University	k.o.khokhlov@urfu.ru
Kvashnin Yuriy A.	I.Ya. Postovsky Insititute of Organic Synthesis of the Ural Branch of the Russian Academy of Sciences	kvashnin@ios.uran.ru
Verbitskiy Egor V.	I.Ya. Postovsky Insititute of Organic Synthesis of the Ural Branch of the Russian Academy of Sciences	verbitsky@ios.uran.ru

Всего: 5

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