A carbon dioxide gas sensor probe was fabricated by applying a high lithium ionic conductor as a solid electrolyte and a calcium carbonate + calcium oxide mixture as a solid reference electrode, and its ability for CO2 detection was examined. The electromotive force(EMF) obtained was in excellent agreement with the EMF value calculated from the Nernst’s equation for CO2 gas concentrations from 80 ppm(v/v) to 1 %(v/v).
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Imanaka et al. (1990) studied this question.
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