单词 | fluoboric |
释义 | fluoboricadj. Of fluorine and boron; chiefly in fluoboric acid n. (originally) boron trifluoride, BF3, a corrosive gas with Lewis acid properties, made by the action of hydrofluoric acid on boron oxides; (now) the acid HBF4, obtained by dissolving boron trifluoride in water. ΚΠ 1810 Edinb. Monthly Mag. May 17 They [sc. Gay-Lussac and Thénard] found it a compound of fluoric and boracic acids dissolved in water, and gave it the name of fluoboric acid. 1812 H. Davy Elements Chem. Philos. 191 Silicated fluoric acid gas and fluoboric gas, instantly render cloudy sulphureous acid gas by attracting moisture from it. 1867 C. L. Bloxam Chemistry 182 One volume of water is capable of dissolving 700 volumes of fluoride of boron, producing a corrosive heavy liquid... This solution is known as fluoboric or borofluoric acid. 1906 J. C. Thresh & A. E. Porter Preservatives in Food vii. 87 Hydrofluoric acid and fluoboric acid are probably the most powerful of the fluorine antiseptics. 1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) lviii. 604 The composition of the fluosilicate SiF6 is worked out in the same way as the fluoboric ion. 2001 J.R. Davis Copper & Copper Alloys 147/1 Commonly used formulations include dilute fluoboric acid or hydrochloric acid. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < adj.1810 |
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