SOLID-ELECTROLYTE SENSOR ELEMENT FOR DETERMINING AMMONIA IN A MEASUREMENT GAS

SOLID-ELECTROLYTE SENSOR ELEMENT FOR DETERMINING AMMONIA IN A MEASUREMENT GAS

The sensor unit has measuring electrodes (13, 14) that subject measuring gas volumes. The gas volumes are exposed to units for absorption of nitrogen oxides, where the gas volumes are passed through absorbents. The absorbents exhibit a regeneratable nitrogen oxide storage (24). A storage component e...

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Bibliographische Detailangaben
Hauptverfasser: SCHUMANN, BERND, ROESSLER, MARIO, ZIEGLER, JOERG, CRAMER, BERNDT
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TESTING
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Zusammenfassung:The sensor unit has measuring electrodes (13, 14) that subject measuring gas volumes. The gas volumes are exposed to units for absorption of nitrogen oxides, where the gas volumes are passed through absorbents. The absorbents exhibit a regeneratable nitrogen oxide storage (24). A storage component exhibits mixture of oxides of alkali metal e.g. sodium and potassium, alkaline earth metal e.g. barium and rare earth metal e.g. lanthanum. The electrodes consist of catalytically inactive material that contains gold, palladium, silver, ruthenium and gold/platinum alloy.