About: The use tristimulus colorimetry for the determination of hydrogen cyanide in air by modified Konig method

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About: The use tristimulus colorimetry for the determination of hydrogen cyanide in air by modified Konig method Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A simple visual and tristimulus colorimetric method (three-dimensional system CIE-Lab) for the determination of trace amounts of hydrogen cyanide in air has been developed. The method is based on the suction of hydrogen cyanide through a chlorinating cartridge where cyanogen chloride is formed, which is further driven to an indicator disc made of a modified cotton fabric. This indicator disc is placed into an adapter. Prior to analysis, the disc is saturated with a chromogenic reagent, a solution of 5,5-dimethyl-1,3-cyclohexanedione (dimedone) and 4-benzylpyridine in ethanol. In the presence of hydrogen cyanide (cyanogen chloride), a pink coloration emerges on the indicator disc, the intensity of which is evaluated either visually or by use of a tristimulus colorimeter. The detection limit is 0.1 mg m-3. The method is mainly suitable for mobile field analyses. It was applied for the CHP-5 chemical agent detector introduced into the equipment of the Czech Army corps. A simple visual and tristimulus colorimetric method (three-dimensional system CIE-Lab) for the determination of trace amounts of hydrogen cyanide in air has been developed. The method is based on the suction of hydrogen cyanide through a chlorinating cartridge where cyanogen chloride is formed, which is further driven to an indicator disc made of a modified cotton fabric. This indicator disc is placed into an adapter. Prior to analysis, the disc is saturated with a chromogenic reagent, a solution of 5,5-dimethyl-1,3-cyclohexanedione (dimedone) and 4-benzylpyridine in ethanol. In the presence of hydrogen cyanide (cyanogen chloride), a pink coloration emerges on the indicator disc, the intensity of which is evaluated either visually or by use of a tristimulus colorimeter. The detection limit is 0.1 mg m-3. The method is mainly suitable for mobile field analyses. It was applied for the CHP-5 chemical agent detector introduced into the equipment of the Czech Army corps. (en)
Title	The use tristimulus colorimetry for the determination of hydrogen cyanide in air by modified Konig method The use tristimulus colorimetry for the determination of hydrogen cyanide in air by modified Konig method (en)
skos:prefLabel	The use tristimulus colorimetry for the determination of hydrogen cyanide in air by modified Konig method The use tristimulus colorimetry for the determination of hydrogen cyanide in air by modified Konig method (en)
skos:notation	RIV/60162694:G42__/10:00427340!RIV11-MO0-G42_____
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MO0UOPZHN0401)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2011
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 - Fakulta vojenského leadershipu
http://linked.open...dnocenehoVysledku	294747
http://linked.open...ai/riv/idVysledku	RIV/60162694:G42__/10:00427340
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atmosphere analysis; hydrogen cyanide; cyanogen chloride; 4-benzylpyridine (en)
http://linked.open.../riv/klicoveSlovo	hydrogen cyanide 4-benzylpyridine atmosphere analysis cyanogen chloride
http://linked.open...odStatuVydavatele	CS - Státní svaz Srbska a Černé Hory
http://linked.open...ontrolniKodProRIV	[FECE6CBD0A67]
http://linked.open...i/riv/nazevZdroje	J. Serb. Chem. Soc
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...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	75
http://linked.open...iv/tvurceVysledku	Kobliha, Zbyněk Pitschmann, Vladimír Tušarová, Ivana Halámek, Emil
http://linked.open...ain/vavai/riv/wos	000279962300008
http://linked.open...n/vavai/riv/zamer	Research of new methods and protection technologies against the effects of nuclear and chemical weapons
issn	0352-5139
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	G42
is http://linked.open...avai/riv/vysledek of	The use tristimulus colorimetry for the determination of hydrogen cyanide in air by modified Konig method

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