Amperometric solid electrolyte gas sensor and detection method wherein the sensing electrode comprises at least one tungstate or molybdate compound

An amperometric electrochemical sensor configured to be operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gas species and a resulting measurable increase in oxygen ion flux th...

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Hauptverfasser: SCHWARZ SCOTT, DAY MICHAEL, THRUN LORA, MCCORMICK BUDDY
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creator SCHWARZ SCOTT
DAY MICHAEL
THRUN LORA
MCCORMICK BUDDY
description An amperometric electrochemical sensor configured to be operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gas species and a resulting measurable increase in oxygen ion flux through the sensor cell. The sensor cell has an oxygen ion conducting electrolyte membrane, a sensing electrode on the electrolyte membrane, and a counter electrode on the electrolyte membrane, wherein the sensing electrode includes at least one molybdate or tungstate compound. An electrochemical sensor system is also provided, along with a method of detecting the concentration of one or more of NOx and NH3 in a gas sample or stream.
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LIME, MAGNESIA
MEASURING
METALLURGY
PHYSICS
REFRACTORIES
SLAG
TESTING
TREATMENT OF NATURAL STONE
title Amperometric solid electrolyte gas sensor and detection method wherein the sensing electrode comprises at least one tungstate or molybdate compound
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