Sentence Examples


  • AZO COMPOUNDS, organic substances of the type R N:N R' (where R = an aryl radical and R' = a substituted alkyl, or aryl radical).
  • Witt), and by the decomposition of ortho-anilido-(-toluidido- &c.)-azo compounds with dilute acids.
  • 16, p. 2546) uses a mixture of soda-lime, stannous chloride and sulphur for nitroand azo-compounds, and C. Arnold (Ber.
  • The first class includes those substances which require no preliminary treatment, and comprises the amides and ammonium compounds, pyridines, quinolines, alkaloids, albumens and related bodies; the second class requires preliminary treatment and comprises, with few exceptions, the nitro-, nitroso-, azo-, diazoand amidoazo-compounds, hydrazines, derivatives of nitric and nitrous acids, and probably cyanogen compounds.
  • The principal chromophores are the azo, -N = N -, azoxy, = N 2 O, nitro, - N02, nitroso, - NO, and carbonyl, = CO, groups.
 

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