| 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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