单词 | camphor-phorone |
释义 | > as lemmascamphor-phorone ΚΠ 1852 H. B. Jones & A. W. Hoffman Fownes's Man. Elem. Chem. (ed. 4) iii. 600 When camphorate of lime is submitted to distillation, it yields a volatil oil..similar to acetone or benzophenone. This substance, phorone, contains C9H7O or C18H14O2. 1869 R. Bridges Fownes's Man. Elem. Chem. (ed. 10) 664 Calcium camphorate when distilled yields a volatile oil consisting of phorone.., the ketone of camphoric acid. 1877 H. Watts Fownes's Man. Chem. (ed. 12) 602 The calcium salt [of camphoric acid] is resolved by heat into carbonate and camphor-phorone.., isomeric with phorone from acetone. < as lemmas |
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