单词 | uranium yellow |
释义 | > as lemmasuranium yellow uranium yellow n. (a) a bright lemon-yellow colour characteristic of some uranium compounds; frequently attributive; (b) a yellow uranium-containing compound or pigment; spec. sodium diuranate, Na2U2O7·6H2O, formed as a precipitate by adding sodium hydroxide to a solution of uranyl sulphate and formerly used in making yellow glass (cf. yellowcake n.). ΚΠ 1844 Chem. Gaz. 1 June 250 It soon begins to dissolve, with a uranium-yellow colour and with contemporaneous disengagement of ammonia. 1849 A. Wachter in London Jrnl. Arts, Sci., & Manuf. 35 62 Uranium yellow.—Mix intimately 1 part of oxide of uranium, 4 of glass of lead (prepared by melting together 8 parts of minium and 1 of white sand), and grind them fine..upon glass. 1857 Chem. Gaz. 2 Mar. 90 The uranium-yellow obtained in the ordinary way from the solution was very pure and had a beautiful colour. 1922 T. M. Lowry Inorg. Chem. xxxix. 750 Sodium diuranate..is known as uranium yellow, and is used in painting glass and porcelain and in making the yellow fluorescent uranium glass. 1998 Record (Bergen County, New Jersey) (Nexis) 15 Nov. t5 You'll pass uranium-yellow grasses gleaming in the sun, red earth dotted with green pinons, black lava flows, and white sands. 2007 Q. R. Skrabec Michael Owens & Glass Industry i. 21 Copper red, manganese violet, uranium yellow, and many other colors were common to the Egyptians in 1300 B.C. < as lemmas |
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