NOTES 3735 the formation of hydrogen polysulfides. Furthermore, it appears that the polysulfides so obtained are mainly, if not exclusively, of the higher members of the homologous series, H2S6 and above. A thermodynamic treatment of the chemical equilibria involved indicates that the number-average chain length of hydrogen polysulfides in the system is about 27 sulfur atoms at 127" and increases with rising temperature.Shorter chain H2S, species (z = 2-5) may be formed as transient intermediates in the formation of H2S, species on dissolution of HZS in molten sulfur.3. I t has been demonstrated that molten sulfur ran serve as a useful solvent in nmr spectroscopy as well as infrared spectroscopy. Consequently, nmr should facilitate the direct study of numerous organic and inorganir reactions which can take place in liquid sulfur and thus provide a better insight into the chemistry of molten bulfur.
3.(1)
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