| 单词 | volatile alkali |
| 释义 | > as lemmasvolatile alkali c. volatile alkali, ammonia. (See alkali n. 2) Hence volatile-alkaline adj. ΘΚΠ the world > matter > chemistry > chemical substances > bases > [noun] > named alkalis or bases > ammonia volatile alkali1682 ammoniac1791 volalkali1796 ammonia1799 the world > matter > chemistry > chemical substances > bases > [adjective] > of or relating to ammonia ammoniac1646 ammoniacal1732 volatile-alkaline1767 ammonial1818 ammonic1869 ammonical1869 1682 N. Grew Exper. Luctation ii. i. §8 in Anat. Plants 240 The predominant Salt in most Minerals, and parts of Animals, is an Alkaly: in the former, usually a fixed; in the latter, a volatile Alkaly. 1685 R. Boyle Short Mem. Hist. Mineral Waters 85 Strong Spirit of Urine, and other volatile Alcaly's. 1728 E. Chambers Cycl. at Alkaly No body hath hitherto produced a volatile Alkaly from the Acids of the Mineral Kingdom. 1767 Philos. Trans. 1766 (Royal Soc.) 56 98 The tincture produced did not effervesce with acids, but retained a volatile-alkaline smell. 1788 W. Austin in Philos. Trans. (Royal Soc.) 78 381 A very pungent smell of volatile alkali is immediately perceived. 1815 W. Henry Elements Exper. Chem. (ed. 7) Index Alkalis, analysis of the volatile. 1854 J. Scoffern in Orr's Circle Sci., Chem. 327 Ammonia was formerly denominated the volatile alkali. < as lemmas |
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