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Description
DIFENILKARBAZON (1,5-difenilkarbazon, 2-fenilgidrazid fenilazomuravyiny acid) C6H5N=NCONHNHC6H5, pier. m 240,27; red-brown krist.; t. square of 127 °C; practically not rastvo. in water. easily rastvo. in ethanol. chloroform. benzene. Receive oxidation of a difenilkarbazid in the alkaline environment with posledifenilkarbazon allocation; in pure form - vzaimodifenilkarbazon fenilovy air of fenildiazenkarbonovy acid with fenilgidraziny at — 70 °C. It is applied: for fotometrich. definitions of Hg, Cd, Cr, Cu, Mo, Pd, Ir, Ru, etc.; ekstrakts. concoction of a number of elements; as the indicator at merkurometrich. titration of halogenides and cyanides. reagent for determination of activity of photosystem I of photosynthesis
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Diphenylcarbazone
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