单词 | ether extract |
释义 | > as lemmasether extract ether extract n. Chemistry a solution made by dissolving a substance in ether; (also) a residue obtained by subsequently removing the ether by evaporation or filtration. ΚΠ 1861 Trans. N.Y. State Agric. Soc. 1860 20 102 An accurate separation of the several bodies which compose this ether extract, would have increased the labor of analysis. 1861 Amer. Jrnl. Med. Sci. 41 70 The dried ether extract..was placed upon a glass slide, and nitric acid added to it under the microscope. 1898 Butchers' Advocate 17 Aug. 11/3 The so-called fat, i.e., ether extract, is never absolutely pure fat. In the case of meat..the ether extract contains some nitrogenous material. 1924 J. B. Cohen Pract. Org. Chem. (ed. 3) 253 The ether extract is then dried over potassium carbonate and the ether removed by distillation on the water-bath. 2002 M. H. Jurgens Animal Feeding & Nutrition (ed. 9) ii. 73 The different fractions that result from the proximate analysis include water, ash, crude protein, ether extract, crude fiber and nitrogen-free extract. < as lemmas |
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