释义 |
diˈmercur-, -ˈmercuro-, -ˈmercury Chem. [di-2 2.] Used in comb. and attrib. to express the presence of two equivalents of mercury. Thus dimercuraˈmmonium Hg2H4. N2, an ammoniacal mercury base in which half the hydrogen in ammonium is replaced by two atoms of divalent mercury.
1873Fownes' Chem. (ed. 11) 347 A brown precipitate..consisting of dimercurammonium iodide. 1881Nature XXIV. 467 Dimercury methylene iodide CH2(HgI)2 is obtained by exposing methylene iodide with an excess of mercury to the action of light. |