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Potentiometric electrochemical sensor which can measure the oxygen content in the medium at temperatures lower than 600 °C, where zirconia sensor does not work has been developed adopting cation conducting electrolyte of Na β−β″ alumina. The new structure of the oxygen sensor as shown below has a β−β″ alumina as an electrolyte on both sides of which thin layer of yttria stabilized zirconia (YSZ) is...
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