| 单词 | ruthenium red |
| 释义 | > as lemmasruthenium red ruthenium red n. [after French rouge de ruthénium (L. Mangin 1893, in Comptes rendus hebd. de l'Acad. des Sci. 116 653)] a compound with an intense red colour obtained by air oxidation of a solution containing ammonia and ruthenium( iii) chloride, and used as a microscopic stain.Ruthenium red is a mixed-valence complex salt; [(NH3)5Ru iiiORu iv(NH3)4ORu iii(NH3)5]Cl6. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > ruthenates rutheniate1845 ruthenate1846 ruthenium red1893 1893 Nature 30 Mar. 528/1 (heading) On the employment of ruthenium red in vegetable anatomy, by M. Louis Mangin. 1912 Chem. Abstr. 6 297 (heading) Differentiation of natural textiles and artificial silks by means of ruthenium red. 1950 N. V. Sidgwick Chem. Elements II. 1472 The colour of ruthenium red itself can be detected in solutions more dilute than one in a million. 2001 Ann. Bot. 88 1058/2 Sections for LM [= light microscopy] stained with toluidine blue..as the metachromatic stain, and ruthenium red. < as lemmas |
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