单词 | osmiate |
释义 | osmiaten. Chemistry. A salt or ester of osmic acid; a salt containing oxyanions of osmium in a high valency; (also) spec. (a) = perosmate n.; (b) = osmiamate n. Cf. osmate n. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > osmates > of osmic acid osmiate1844 osmate1852 the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > osmates > of osmium osmiate1844 perosmate1895 the world > matter > chemistry > chemical substances > esters > [noun] > salts, esters, or anions > osmates osmite1844 osmate1852 osmiate1905 1844 Philos. Mag. 24 394 A solution of osmiate of potash. 1849 D. Campbell Pract. Text-bk. Inorg. Chem. 259 Osmic acid..forms a class of salts known as osmiates: their solutions are decomposed by boiling, osmic acid being evolved. 1890 J. M. Thomson & A. G. Bloxam Bloxam's Chem. (ed. 7) 428 By dissolving osmic anhydride in potash and adding alcohol, the latter is oxidised at the expense of the potassium osmiate, and rose-coloured octahedral crystals of potassium osmite (K2OsO4.2Aq) are obtained. 1893 Amer. Naturalist 27 386 The potassium tellurates and osmiates are isodimorphous, and..the rutheniate of this metal is isomorphous with its uranate. 1905 F. A. Gooch & C. F. Walker Outl. Inorg. Chem. ii. xviii. 490 By fusing osmium compounds with potassium hydroxide and potassium nitrate, potassium osmiate, K2OsO4, is formed. 1922 T. M. Lowry Inorg. Chem. xlii. 822 By the action of ammonia and potassium hydroxide on osmium tetroxide, potassium osmiate, KOsNO3, is produced in orange-yellow crystals. 1962 P. J. Durrant & B. Durrant Introd. Adv. Inorg. Chem. xxiv. 1033 All three elements in the Group, iron, ruthenium, and osmium, are present in the oxidation state VI in the ferrates, the ruthenates, and the osmiates; the general formula is K2MO4. 1999 Jrnl. Agric. & Food. Chem. 47 3411 The reaction of (Z)-hexadecenoic acid..with a catalytic amount of osmium tetraoxide leads exclusively to the erythro-dihydroxyhexadecanoic acid..as a result of the formation of an intermediate osmiate ester. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。