Detection tube with composite carrier for detection of phosgene and diphosgene in air

A new highly sensitive detection tube for measurement of concentration of phosgene and diphosgene in air has been developed. The detection is based on chemical reaction of 4-(p-nitrobenzyl)pyridine and N-phenylbenzylamine which with phosgene (diphosgene) give characteristic red methine dye. As a...

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Main Authors: Pitschmann Vladimír, Tušarová Ivana, Kobliha Zbyněk, Vetchý David
Format: Article
Language:English
Published: Association of Chemical Engineers of Serbia 2012-01-01
Series:Hemijska Industrija
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0367-598X/2012/0367-598X1100057P.pdf
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author Pitschmann Vladimír
Tušarová Ivana
Kobliha Zbyněk
Vetchý David
author_facet Pitschmann Vladimír
Tušarová Ivana
Kobliha Zbyněk
Vetchý David
author_sort Pitschmann Vladimír
collection DOAJ
description A new highly sensitive detection tube for measurement of concentration of phosgene and diphosgene in air has been developed. The detection is based on chemical reaction of 4-(p-nitrobenzyl)pyridine and N-phenylbenzylamine which with phosgene (diphosgene) give characteristic red methine dye. As a carrier serves spherical granules (pellets) of composite material prepared by granulation of microcrystalline cellulose with MgO. This new indication filling is stable, resistant to interferences and climatic influences. The detection limit (0.05 mg.m-3) meets the requirements for conducting hygienic checks of air quality in the workplace environment. In addition, the tube allows a prolonged and continuous monitoring of phosgene and diphosgene in air for at least 240 minutes.
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spelling doaj.art-13b8177106b84be08fb0f8696a17b22e2022-12-21T23:12:42ZengAssociation of Chemical Engineers of SerbiaHemijska Industrija0367-598X2012-01-01661798410.2298/HEMIND110530057PDetection tube with composite carrier for detection of phosgene and diphosgene in airPitschmann VladimírTušarová IvanaKobliha ZbyněkVetchý DavidA new highly sensitive detection tube for measurement of concentration of phosgene and diphosgene in air has been developed. The detection is based on chemical reaction of 4-(p-nitrobenzyl)pyridine and N-phenylbenzylamine which with phosgene (diphosgene) give characteristic red methine dye. As a carrier serves spherical granules (pellets) of composite material prepared by granulation of microcrystalline cellulose with MgO. This new indication filling is stable, resistant to interferences and climatic influences. The detection limit (0.05 mg.m-3) meets the requirements for conducting hygienic checks of air quality in the workplace environment. In addition, the tube allows a prolonged and continuous monitoring of phosgene and diphosgene in air for at least 240 minutes.http://www.doiserbia.nb.rs/img/doi/0367-598X/2012/0367-598X1100057P.pdfDetection tubephosgenediphosgene4-(p-nitrobenzyl)pyridinecomposite materialmicrocrystalline cellulosemagnesium oxide
spellingShingle Pitschmann Vladimír
Tušarová Ivana
Kobliha Zbyněk
Vetchý David
Detection tube with composite carrier for detection of phosgene and diphosgene in air
Hemijska Industrija
Detection tube
phosgene
diphosgene
4-(p-nitrobenzyl)pyridine
composite material
microcrystalline cellulose
magnesium oxide
title Detection tube with composite carrier for detection of phosgene and diphosgene in air
title_full Detection tube with composite carrier for detection of phosgene and diphosgene in air
title_fullStr Detection tube with composite carrier for detection of phosgene and diphosgene in air
title_full_unstemmed Detection tube with composite carrier for detection of phosgene and diphosgene in air
title_short Detection tube with composite carrier for detection of phosgene and diphosgene in air
title_sort detection tube with composite carrier for detection of phosgene and diphosgene in air
topic Detection tube
phosgene
diphosgene
4-(p-nitrobenzyl)pyridine
composite material
microcrystalline cellulose
magnesium oxide
url http://www.doiserbia.nb.rs/img/doi/0367-598X/2012/0367-598X1100057P.pdf
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AT tusarovaivana detectiontubewithcompositecarrierfordetectionofphosgeneanddiphosgeneinair
AT koblihazbynek detectiontubewithcompositecarrierfordetectionofphosgeneanddiphosgeneinair
AT vetchydavid detectiontubewithcompositecarrierfordetectionofphosgeneanddiphosgeneinair