“silvic”的英文意思_释义_用法

单词

silvic

释义

sylvic, silvic, a. Chem.|ˈsɪlvɪk|
[ad. F. sylvique (a 1836), f. L. sylva, silva a wood: see -ic 1 b.]
sylvic acid: a colourless crystalline substance, isomeric with pinic acid, and, like it, forming a constituent of colophony or turpentine-resin.
1836Brande Chem. (ed. 4) 978 Silvic Acid..is insoluble in water, fusible at about 212°, soluble in alcohol and ether, and in sulphuric acid.1838T. Thomson Chem. Org. Bodies 506 That portion of the resin which remains undissolved when the turpentine freed from its oil is digested in cold alcohol of 0·867, has been called silvic acid by Unverdorben, and resin beta by Berzelius.1844Fownes Chem. 500 Pure sylvic acid crystallizes in small, colourless, rhombic prisms.

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