The viability of pH measurements in supercritical aquezous systems

Sam Hettiarachchi, Kari Mäkelä, Herking Song, Digby MacDonald

Research output: Contribution to journalArticleScientificpeer-review

39 Citations (Scopus)


The measurement of pH of aqueous systems at high temperature is becoming increasingly important because of the need to monitor the chemistry of nuclear power plant cooling water systems and the cycle chemistry of fossil‐fueled power reactors. We have previously shown that the yttria‐stabilized zirconia pH sensor can be used for accurate pH measurements of aqueous systems up to 320°C. This paper describes the viability of pH measurement of aqueous systems up to and above the critical temperature of water.
Original languageEnglish
Pages (from-to)L3-L4
JournalJournal of the Electrochemical Society
Issue number1
Publication statusPublished - 1992
MoE publication typeA1 Journal article-refereed


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