A METHOD FOR MEASURING THE CONCENTRATION OF A CHEMICAL SPECIES USING A REAGENT BASELINE

A METHOD FOR MEASURING THE CONCENTRATION OF A CHEMICAL SPECIES USING A REAGENT BASELINE

A method in which a concentration of a chemical species of interest is obtained. The method comprises measuring a property (e.g. the oxidation reduction potential) of a reagent (typically based on a simple single electron redox couple) to obtain a baseline measurement. The reagent is mixed with the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHAVDA, Hirak, T, XIAO, Guoliang, CHUNG, Russell
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:A method in which a concentration of a chemical species of interest is obtained. The method comprises measuring a property (e.g. the oxidation reduction potential) of a reagent (typically based on a simple single electron redox couple) to obtain a baseline measurement. The reagent is mixed with the solution under test, then the property of the mixture is measured to obtain a post reaction measurement. Then the concentration of the chemical species of interest is determined based on the baseline measurement and the first post reaction measurement, typically by calculating a difference of the baseline measurement and the post reaction measurement, then using the difference and a pre-determined conversion table to determine the concentration of the chemical species of interest.