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单词 1,10-phenanthroline
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1,10-phenanthroline
Each of a number of isomeric, crystalline, heteroaromatic compounds having the formula C12H8N2, whose molecules have a tricyclic phenanthrene ring system in which one CH group in each of the two outer rings is replaced by a nitrogen atom; esp. (in full 1,10-phenanthroline), the ortho isomer, which is used as an indicator for iron, with which it forms a red-orange complex.
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anthrol1875
phenanthroline1882
1882 Jrnl. Chem. Soc. 42 1111 Phenanthroline,..obtained by the action of glycerol and sulphuric acid on metadiamidobenzene, crystallises in transparent plates (m.p. 79°).
1909 Chem. Abstr. 3 2571 The terms o-, m- and p-phenanthroline are suggested in place of isophenanthroline, phenanthroline and pseudophenanthroline.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IV. 273/1 Certain organic compounds, such as 1,10-phenanthroline, also catalyze the drying of oils and have been used for this purpose.
1978 Sci. Amer. July 120/2 After the bromine color disappears mix in one milliliter of ·025-molar phenanthroline ferrous sulfate (a dye sometimes called ferroin).
1991 D. T. Sawyer Oxygen Chem. iv. 87 (table) Product solution..assayed for residual Fe(II) by MnO4− titration and by colorimetry with 1,10-o-phenanthroline.
2004 Tetrahedron Lett. 45 7806/1 The large variety of complexes based on phenanthroline..derivatives allows the formation of many different molecular systems with various applications.
extracted from phenanthrolinen.
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