单词 | basicity |
释义 | basicityn. Chemistry. 1. The power of combining with bases possessed by an acid, dependent on the number of atoms of hydrogen replaceable by a metal which are contained in it; thus nitric acid (HNO3) is monobasic, phosphoric acid (H3PO4) is tribasic. ΘΚΠ the world > matter > chemistry > chemical properties > [noun] > basicity basicity1849 1849 Liebig & Kopp's Rep. Progr. Chem. I. 469 The capacity of saturation or the basicity B of a compound. 1883 Muir Heroes of Sc. V. 23 Graham..added to science the conception of acids of different basicity. 2. (See quot. 1888.) ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > level of oxide or silicon in furnace lining basicity1888 1888 Lockwood's Dict. Mech. Engin. Basicity. Refers to the proportion of metallic oxide present in, and the absence of silicon from a furnace lining, a cinder, flux, or slag. The fettling of a puddling furnace depends for its efficacy on its basic character. This entry has not yet been fully updated (first published 1885; most recently modified version published online June 2022). < n.1849 |
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