Group 4B Elements

  • T. R. Crompton


Phillips and Timms136 demonstrated many of the advantages of using gas chromatography in the analysis of the organic compounds of silicon. Figure 43 shows the rapid separation they obtained of trisilane and the mixture resulting after the passage of an electrical discharge through trisilane. To aid in the identification of the various compounds these workers utilised preparatory gas chromatography to isolate sufficient quantities for subsequent physical measurements such as vapour pressure, mass spectrometry, or nuclear magnetic resonance spectroscopy. For mixed silicon-germanium hydrides, it was found that compounds with similar retention volumes gave an approximately molar response so that a gas density balance could be used to measure molecular weights.


Retention Index Discharge Tube Retention Volume Organosilicon Compound Silicon Tetrachloride 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • T. R. Crompton
    • 1
  1. 1.North West Water AuthorityPrestonEngland

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