Sentence Examples


  • The pure gas may also be obtained by heating phosphonium iodide with caustic potash (A.
  • Phosphonium Salts.-The chloride, PH 4 C1, was obtained as a crystalline solid by Ogier (Comptes rendus, 1879, 89, p. 705) by combining phosphine and hydrochloric acid gas under a pressure of from 14-20 atmospheres; it can also be obtained at -30° to -35° C. under ordinary atmospheric pressure.
  • Just as the amines are derived from ammonia, so from phosphine are derived the primary, secondary and tertiary organic phosphines by the exchange of hydrogen for alkyl groups, and corresponding to the phosphonium salts there exists a series of organic phosphonium bases.
  • The primary and secondary phosphines are produced when the alkyl iodides are heated with phosphonium iodide and zinc oxide to 150° C. (A.
  • The quaternary phosphonium salts resemble the corresponding nitrogen compounds.
 

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