| 单词 | tollens' reagent |
| 释义 | > as lemmasTollens'(s) reagent Tollens'(s) reagent: a solution of ammoniacal silver nitrate and sodium hydroxide, used as a test for aldehydes with which it reacts to give a silver precipitate; so Tollens' test (described by Tollens 1882, in Berichte der Deutsch. Chem. Ges. 15 1828). ΘΚΠ the world > matter > chemistry > chemical tests > [noun] > reagents > other Millon's reagent1872 orcinol1880 rubeanic acid1891 tetrazolium1895 Schiff reagent1897 Tollens'(s) reagent1904 the world > matter > chemistry > organic chemistry > organic chemical tests > [noun] > others carbylamine test1886 Liebermann–Burchard test1904 ninhydrin1913 Tollens' test1981 1904 S. P. Mulliken Method Identification Pure Org. Compounds I. 22 (heading) Compounds reducing silver from Tollen's [sic] reagent. 1946 F. Schneider Qualitative Org. Microanalysis vii. 198 A blank experiment should be run with the Tollens' reagent and the original substance. 1964 N. G. Clark Mod. Org. Chem. x. 187 Tollens's reagent..gives a precipitate of silver, often in the form of a silver mirror. 1981 A. S. Wingrove & R. L. Caret Org. Chem. xxi. 867 A simple chemical test to distinguish between aldehydes and ketones is based on aldehydes being readily oxidized to carboxylic acids whereas ketones are not. Tollens' test..is used most frequently. < as lemmas |
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