Sentence Examples

  • The corresponding sulphur compound, thiophosphoryl fluoride, PSF 3, obtained by heating lead fluoride and phosphorus pentasulphide to 200°, is a colourless gas, which may be condensed to a clear transparent liquid.
  • Heated in a glass tube it gives silicon fluoride, phosphorus and sulphur, PSF 3 = PF3-f-S; 4PF 3 +3S10 2 = 3SiF 4 +P 4 +30 2.

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