INSTRUMENT AND METHOD FOR MEASURING CHLORINE DIOXIDE

PROBLEM TO BE SOLVED: To provide an instrument and a method for measuring easily chlorine dioxide, in particular, for measuring easily the chlorine dioxide together with oxygen and chlorine, and to easily decompose the chlorine dioxide therein. SOLUTION: A gas sample to be tested is exposed at first...

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Bibliographische Detailangaben
Hauptverfasser:	BOHM HOLGER, SCHULTEN ARMIN, MOHRMANN ANDREAS, RUNGE BETTINA
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an instrument and a method for measuring easily chlorine dioxide, in particular, for measuring easily the chlorine dioxide together with oxygen and chlorine, and to easily decompose the chlorine dioxide therein. SOLUTION: A gas sample to be tested is exposed at first to a reagent to remove chlorine, then is exposed an indicator or an electrochemical cell for measuring the chlorine dioxide qualitatively and/or quantitatively, and sometimes the reagent for removing the chlorine is cyclohexyl sulfamic acid and/or a salt thereof, or contains the cyclohexyl sulfamic acid and/or a salt thereof, in case of a device allowing a through flow of the gas sample for detecting the chlorine dioxide under the presence of the chlorine. COPYRIGHT: (C)2008,JPO&INPIT