| 单词 | cobaltic oxide |
| 释义 | > as lemmascobaltic oxide 2. Chemistry. Applied to the tri-compounds of the metal, as cobaltic oxide Co2O3. ΚΠ 1863 H. Watts Dict. Chem. I. 1049 Sesquioxide of Cobalt, Cobaltic Oxide, Co4O3, is formed when chorine is transmitted through water in which the hydrated protoxide is suspended. 1863–72 H. Watts Dict. Chem. I. 1044 Tri-salts of cobalt, or cobaltic salts. 1873 A. W. Williamson Chem. for Students (ed. 3) 191 Cobaltic oxide is a black powder. < as lemmas |
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