| 单词 | hydrated tantalic oxide |
| 释义 | > as lemmashydrated tantalic oxide Of or derived from tantalum; in names of chemical compounds in which tantalum is pentavalent, as tantalic chloride, tantalic fluoride; tantalic oxide, tantalic anhydride, Ta2O5; tantalic acid, hydrated tantalic oxide, H2O.Ta2O5. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > tantalum > [adjective] tantalic1842 tantalous1868 1842 E. A. Parnell Elements Chem. Anal. (1845) 70 After having been heated to redness, alone, tantalic acid is insoluble in all liquids. 1849 D. Campbell Pract. Text-bk. Inorg. Chem. 273 A compound of this metal [tantalum] with oxygen—namely, tantalic acid—is found in the minerals tantalite and columbite of Bavaria and North America. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 498 Tantalum, in its principal compounds, is quinquivalent, the formula of tantalic chloride being TaCl5..and that of tantalic oxide (which, in combination with bases forms the tantalates), Ta2O5. < as lemmas |
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