单词 | potassium permanganate |
释义 | > as lemmaspotassium permanganate potassium permanganate n. potassium manganate( vii), KMnO4, a purple-brown solid (intensely purple in solution) used as an oxidizing agent and in chemical analysis. ΚΠ 1866 H. E. Roscoe Lessons Elem. Chem. ii. 15 Formed by the action of strong sulphuric acid upon a salt called potassium permanganate. 1938 R. Hum Chem. for Engin. Students xix. 518 Volumetrically, solutions of ferrous salts are estimated by titration with standard potassium dichromate solution or potassium permanganate. 1990 M. Dewar Day in Life of Brit. Army (BNC) 133 The sergeant sat down, placed his feet into the ice-cold potassium permanganate solution and heaved a euphoric sigh of relief. < as lemmas |
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