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    Article

    Measurement of pH in subcritical and supercritical aqueous systems

    The use of yttria-stabilized zirconia (YSZ) electrodes of the type Hg/HgO/ZrO2(Y2O3)/H+, for measuring pH in aqueous solutions at high subcritical (150<T<374°C) and supercritical temperatures (T>374°C) is reviewe...

    Digby D. Macdonald, Samson Hettiarachchi, Herking Song in Journal of Solution Chemistry (1992)