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醌氫電極

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醌氫電極(quinhydrone electrode)是一種電極,可用於測量含有酸性物質溶液的氫離子濃度(pH[1][2]。醌氫醌電極是玻璃電極的替代品。[3]然而,如果待測產品的pH值高於8,則醌氫電極的結果可能會不可靠,並且醌氫電極不應放入含有強氧化劑或還原劑的溶液中。[4]

參考文獻

[編輯]
  1. ^ Bates, Roger G.; Vijh, Ashok K. Determination of pH: Theory and Practice. Journal of The Electrochemical Society. 1973, 120 (8). ISSN 0013-4651. doi:10.1149/1.2403829. 
  2. ^ Nelson, S. The determination of stability constants. Francis J.C. Rossotti and Hazel Rossotti. McGraw- Hill Book Co. Inc., New York, 1961. pp. 425. 97s. Talanta. 1962-12, 9 (12). ISSN 0039-9140. doi:10.1016/0039-9140(62)80239-2. 
  3. ^ Vonau, W.; Guth, U. pH Monitoring: a review. Journal of Solid State Electrochemistry. 2006, 10 (9): 746–752. S2CID 97012644. doi:10.1007/s10008-006-0120-4. 
  4. ^ Bates, Roger G. Determination of pH: theory and practice. Wiley, 1973, pp 246-252