| 单词 | alkaline air |
| 释义 | > as lemmasalkaline air alkaline air n. Chemistry (now historical) ammonia. ΚΠ ?1770 J. Warltire Conc. Ess. Philos. & Chem. Subj. 51 The acid of vitriol... If it be mixed with alkaline air, they become sal-ammoniac. 1802 J. Priestley in Trans. Amer. Philos. Soc. 5 10 The kinds of air on which I made the experiment were marine acid air, vitriolic acid air, and alkaline air. 1873 H. B. Nason & C. F. Chandler Elderhorst's Man. Qualitative Blow-pipe Anal. (ed. 6) 229 If a precipitate is formed, the color is observed..when the current of alkaline air is continued. 2000 W. A. Smeaton in F. L. Holmes & T. H. Levere Instruments & Exper. Hist. Chem. ix. 219 A striking experiment in which acid air (hydrogen chloride) and alkaline air (ammonia) were collected over mercury in two glass tubes. < as lemmas |
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