| 单词 | quinhydrone electrode |
| 释义 | > as lemmasquinhydrone electrode quinhydrone electrode n. a device for measuring pH comprising an electrode (usually made of platinum) immersed in a test solution to which quinhydrone has been added, which has a potential dependent upon the pH of the solution. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > other analytical techniques > apparatus alkalimeter1807 kalimeter1890 quinhydrone electrode1921 1921 E. Biilmann in Jrnl. Soc. Leather Trades' Chemists 5 27 In the quinhydrone electrode two hydrions disappear, and at the same time a mol. of quinone is hydrogenated to one of hydroquinone. 1969 H. Rossotti Chem. Applications Potentiometry viii. 92 The quinhydrone electrode can..be used as a probe for hydrogen ions in the acidity range 1 ≤ pH ≤8. 1992 Electroanal. 4 805 The third [potentiometric detector] employed a novel differential titration technique based on two quinhydrone electrodes. < as lemmas |
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