About: New detector tube for the detection of nitrite in water

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://vavtest.unob.cz/registr
Description	A new colorimetric detector tube for the detection of trace concentrations of nitrite in water was developed. The detector tube is based on a diazo coupling reaction of nitrite with dapsone and N-(1-naphthyl) ethylenediamine dihydrochloride during the formation of red-violet azo dye. Spherical granules (pellets) made from the composite material were used as the carrier of chemical reagents. They were prepared by pelletizing the mixture of microcrystalline cellulose, lactose, kaolin and polyvinylpyrrolidone. Colouring is done on a layer of silica gel impregnated with citric acid. The detector tube is highly sensitive, selective and stable when stored. The detection limit is 0.1 μg.ml–1, i.e. 0.03 μg.ml–1 N(NO2–). The optimal measuring range of nitrite concentration in the analyzed sample ranges from 0.5 to 80 μg.ml–1, i.e. 0.15—24.36 μg.ml–1 N(NO2–). The detector tube can easily be structurally modifi ed for analysis of nitrates with a detection limit of 1 μg/ml–1, i.e. 0.23 μg.ml–1 N(NO3–). A new colorimetric detector tube for the detection of trace concentrations of nitrite in water was developed. The detector tube is based on a diazo coupling reaction of nitrite with dapsone and N-(1-naphthyl) ethylenediamine dihydrochloride during the formation of red-violet azo dye. Spherical granules (pellets) made from the composite material were used as the carrier of chemical reagents. They were prepared by pelletizing the mixture of microcrystalline cellulose, lactose, kaolin and polyvinylpyrrolidone. Colouring is done on a layer of silica gel impregnated with citric acid. The detector tube is highly sensitive, selective and stable when stored. The detection limit is 0.1 μg.ml–1, i.e. 0.03 μg.ml–1 N(NO2–). The optimal measuring range of nitrite concentration in the analyzed sample ranges from 0.5 to 80 μg.ml–1, i.e. 0.15—24.36 μg.ml–1 N(NO2–). The detector tube can easily be structurally modifi ed for analysis of nitrates with a detection limit of 1 μg/ml–1, i.e. 0.23 μg.ml–1 N(NO3–). (en)
Title	New detector tube for the detection of nitrite in water New detector tube for the detection of nitrite in water (en)
skos:prefLabel	New detector tube for the detection of nitrite in water New detector tube for the detection of nitrite in water (en)
skos:notation	RIV/60162694:G45__/11:00498724!RIV14-MO0-G45_____
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(VG20102013048)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kobliha, Zbyněk
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ministerstvo obrany / Univerzita obrany - Ústav ochrany proti zbraním hromadného ničení
http://linked.open...dnocenehoVysledku	91563
http://linked.open...ai/riv/idVysledku	RIV/60162694:G45__/11:00498724
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	detector tube; composite carrier; dapsone; N-(1-naphthyl) ethylenediamine dihydrochloride (en)
http://linked.open.../riv/klicoveSlovo	N-(1-naphthyl) ethylenediamine dihydrochloride composite carrier detector tube dapsone
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[2B988B68DB8D]
http://linked.open...i/riv/nazevZdroje	Acta Chimica Slovaka
http://linked.open...in/vavai/riv/obor	KA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Research of methods to control water contaminated by toxic substances when unusual security situation
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Kobliha, Zbyněk Pitschmann, Vladimír Tušarová, Ivana Vetchý, David
issn	1337-978X
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	G45

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