Sentence Examples


  • Witt in 1876 toformulate his " chromophore-auxochrome " theory.
  • On this theory colour is regarded as due to the presence of a " chromophore," and dyeing power to an " auxochrome "; the latter by itself cannot produce colour or dyeing power, but it is only active in the presence of a chromophore, when it intensifies the colour and confers the property of dyeing.
  • Also the relative position of the auxochrome to the chromophore influences colour, the ortho-position being generally the most powerful.
  • The method is based on the supposition that the magnetic rotation measures the strain produced in the molecule by an auxochrome, and he arranges the groups in the following order: O.
  • (2) The chromophore-auxochrome theory (Kauffmann) regards colour as due to the entry of an " auxochrome " into a " chromophoric " molecule.
 

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