“chrysene”的英文意思_释义_用法

单词

chrysene

释义

chrysene Chem.|ˈkraɪsiːn|
Also chrysen.
[ad. F. chrysène (A. Laurent 1837, in Ann. de Chimie LXVI. 137), f. chrys- + -ene.]
A solid hydrocarbon, C₁₈H₁₂, occurring in crystalline form in the highest boiling fractions of coal tar, and in other substances, variable in colour and exhibiting violet fluorescence.
1864Chem. News X. 244/1 Laurent's pyren, I am inclined to think, was merely chrysen containing an admixture of paraffin.Ibid. 244/2 Chrysen compounds.1871Jrnl. Chem. Soc. XXIV. 692 The chrysene employed in this research was extracted from the mixture of solid hydro-carbons which have a higher boiling point than anthracene, and form the latter portion of the distillate from coal tar.1943Endeavour Jan. 30/1 The..compound presents a rough resemblance to..chrysene.1957Encycl. Brit. V. 665/1 Chrysene, C₁₈H₁₂, crystallizes in colourless plates or octahedra (from benzene), which exhibit a violet fluorescence.

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