Sentence Examples


  • A further step in this direction has been effected by the introduction of reversibility into a non-reversible case by means of a catalytic agent.
  • In that mixture which contains 88% of paraldehyde and 12% of acetaldehyde, which the catalytic agent leaves unaffected.
  • Hydriodic acid, HI, is formed by the direct union of its components in the presence of a catalytic agent; for this purpose platinum black is used, and the hydrogen and iodine vapour are passed over the heated substance.
  • Blagden (Ber.,1900,33,p.2544), who consider that three simultaneous reactions occur, namely, the formation of labile double salts which decompose in such a fashion that the radical attached to the copper atom wanders to the aromatic nucleus; a catalytic action, in which nitrogen is eliminated and the acid radical attaches itself to the aromatic nucleus; and finally, the formation of azo compounds.
  • When a catalytic agent, such as sulphurous acid, is added, which produces a mutual change, the whole behaviour is different; only one meltingpoint, viz.
 

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