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单词 volalkali
释义

volalkalin.

Etymology: < vol- (in volatile adj.) + alkali n. and adj.
Chemistry. Obsolete.
Volatile alkali; ammonia.
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the world > matter > chemistry > chemical substances > bases > [noun] > named alkalis or bases > ammonia
volatile alkali1682
ammoniac1791
volalkali1796
ammonia1799
c1789 Encycl. Brit. IV. 438/2 Vol. alkali.]
1796 R. Kirwan Elements Mineral. (ed. 2) II. 7 As pure Volalkali consists of mephitic..air and inflammable air concreted together.
1799 R. Kirwan Geol. Ess. v. 142 Margraff.. found it to yield volalkali from some remains of the putrid wood that were still contained in it.
This entry has not yet been fully updated (first published 1920; most recently modified version published online June 2019).
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