Sentence Examples


  • The position of the amino groups in pararosaniline was determined by the work of H.
  • By the entrance of amino or hydroxyl groups into the molecule dyestuffs are formed.
  • The amino derivatives are stable bases which readily yield substitution derivatives when acted upon by the halogen elements.
  • The meta-nitrocompound, which is precipitated last, is then reduced, and the amino group so formed is replaced by the hydroxyl group by means of the Sandmeyer reaction.
  • It is frequently used as a reducing agent: in acid solutions it reduces ferric to ferrous salts, arsenates to arsenites, permanganates to manganous salts, &c., whilst in alkaline solution it converts many organic nitro compounds into the corresponding amino derivatives.
 

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