Sulphur dioxide, liquid ionization

P. Walden 39 found that soln. of potassium iodide in liquid sulphur dioxide have an eq. conductivity at 0° of 44 5 reciprocal ohms when a mol. is dissolved in 15 3 litres and of 99 0 in 760 litres—these results are rather smaller than with water. Similar results were obtained with sodium iodide 30 2 with a dilution t =18 6, and 35 1 with i =60. The raising of the b.p. of soln. of sodium iodide in liquid sulphur dioxide gave almost twice the theoretical value for the mol. wt. of Nal. With an ionized salt, the mol. wt. would be less than the theoretical value. [Pg.606]

Liquid ammonia and liquid sulphur dioxide appear to offer attractive possibilities for chromatographic purposes as both these substances, particular liquid sulphur dioxide, are very good solvents for organic substances. Such liquids would also lead to a unique form of supercritical chromatography (7). Furthermore, they are likely to ionize specific organic materials that otherwise do not normally ionize in water or are insoluble in... [Pg.61]

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