Sentence Examples


  • C.c., embryos are hatched in an in early stage, but their meta- ov, morphosis has not been plch, observed.
  • PYRIMIDINES, METADIAZINES or Miazines, in organic chemistry, a series of heterocyclic compounds containing a ring complex, composed of four carbon atoms and two nitrogen atoms, the nitrogen atoms being in the meta-position.
  • It is obtained by the oxidation of orthophenylene diamine with ferric chloride; when a mixture of para-aminodimethylaniline and meta-toluylenediamine is oxidized in the cold, toluylene blue, an indamine, being formed as an intermediate product and passing into the red when boiled; and also by the oxidation of dimethylparaphenylene diamine with metatoluylene diamine.
  • OH N02(1.4), crystallizes in long colourless needles which melt at 114°C. Meta-nitrophenol, C6H4.OH N02 (1.3), is prepared from meta-nitraniline by diazotizing the base and boiling the resulting diazonium salt with water.
  • OH N02(1.4), crystallizes in long colourless needles which melt at 114°C. Meta-nitrophenol, C6H4.OH N02 (1.3), is prepared from meta-nitraniline by diazotizing the base and boiling the resulting diazonium salt with water.

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