单词 | uranyl nitrate |
释义 | > as lemmasuranyl nitrate uranyl nitrate n. a greenish-yellow crystalline salt used as a stain in microscopy and formerly as a light-sensitive pigment in an early form of photography.Formula (of the crystalline form): UO2(NO3)2·6H2O. ΚΠ 1854 R. D. Thomson Cycl. Chem. 505/2 Nitrate of uranyle.] 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) ii. 475 Uranic nitrate or Uranyl nitrate. 1891 C. J. Leaper Materia Photographica 177 An image in any of these metals may be obtained by floating paper coated with uranyl nitrate and exposed to light on alkaline solutions of silver, gold, and platinum. 1922 A. E. H. Tutton Crystallogr. (ed. 2) II. li. 1135 The green crystals (rhombic bipyramidal) of uranyl nitrate were shown by Herschel in 1899 to exhibit yellowish-green triboluminescence on active rubbing. 2008 Nucl. News (Nexis) Sept. 59 He extrapolated from animal data that 2 grams of uranyl nitrate would amount to a fatal dose to a 200-pound human. < as lemmas |
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