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单词 nitron
释义

nitronn.

Brit. /ˈnʌɪtrɒn/, U.S. /ˈnaɪˌtrɑn/
Origin: A borrowing from German. Etymon: German Nitron.
Etymology: < German Nitron (Busch & Mehrtens 1905, in Berichte der Deutsch. Chem. Ges. 38 4049) < nitro- nitro- comb. form + -on -one suffix.
Chemistry.
A yellow crystalline triazole derivative, (C6H5)3C2HN4, which is used in gravimetric analysis as a precipitant for nitrate, perchlorate, and some other ions.
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the world > matter > chemistry > organic chemistry > organic compounds > [noun] > heterocyclic compounds > other heterocyclic compounds
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the world > matter > chemistry > organic chemistry > organic compounds > [adjective] > heterocyclic compounds > containing nitrogen
melamine1835
tetrapyrrolic1944
nitron1971
1906 Jrnl. Chem. Soc. 90 i. 118 As a test for nitrates nitron is even more delicate than was stated previously.
1939 A. I. Vogel Text-bk. Quantitative Inorg. Anal. i. 165 The following acids form slightly soluble salts with nitron..perchloric, thiocyanic,..and nitrous acids.
1971 Mikrochim. Acta 478 Small amounts of gold can be extracted into dichloroethane as nitron tetrachloroaurate.
1980 Analytica Chimica Acta 113 389 Increasing nitron concentration, after the minimum excess necessary for color development, results in slowly increasing absorbance values for a fixed amount of molybdenum.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1906
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