| 单词 | petroleum ether |
| 释义 | > as lemmaspetroleum ether petroleum ether n. a volatile liquid distilled from petroleum, consisting of a mixture of hydrocarbons (chiefly pentane and hexane) and used as a solvent. ΘΚΠ society > occupation and work > materials > derived or manufactured material > extracted or refined oil > [noun] > distilled or refined mineral oils oil of amber1559 neftec1575 light oil1761 white oil1763 white spirit1832 eupione1838 gas oil1839 heavy oil1849 petroleum ether1851 asboline1863 hydrocarbon oil1864 solar oil1864 mineral spirits1875 blown oil1887 phenoloid1900 1851 C. R. Fresenius Man. Quantitative Chem. Anal. 406 Brucin and veratrin may be separated from atropin by shaking the alkaline solution with petroleum ether. 1894 Chem. News 30 Mar. 156/2 Isoborneol..crystallises out of petroleum ether in thin, feathery leaflets. 1996 D. W. Brown Aromatherapy (Teach Yourself Ser.) ii. 14 The natural resinous material is extracted with a hydrocarbon solvent such as petroleum ether, hexane or alcohol. < as lemmas |
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