| 单词 | bismuth trihydrate |
| 释义 | > as lemmasbismuth trihydrate A compound containing three molecules of water combined with an element or radical or with another compound; also, a compound containing three hydroxyl groups, OH, united to an element or radical; e.g. bismuth trihydrate, which may be regarded as Bi2O3, 3H2O or as Bi(OH)3. ΘΚΠ the world > matter > chemistry > chemical substances > named compounds > [noun] > water > compounds of hydrates > by number of water molecules pentahydrate1842 trihydrate1854 tetrahydrate1886 1854 J. Scoffern in Orr's Circle Sci., Chem. 374 A crystallized trihydrate of phosphoric acid results. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 377 The trihydrate is the ordinary gelatinous precipitate obtained by treating solutions of aluminium-salts. 1888 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) I. 145 Aluminium..Trihydrate... Occurs native, in hexagonal fibrous crystals, as gibbsite, and hydrargyllite. < as lemmas |
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