Abstract
The coefficient of viscosity of sulphur dioxide has been measured over a temperature range from 30° to − 75 °C. The method and apparatus used are similar to those described by Sutherland and Maass (5). All values for the viscosity are referred to air at 23 °C. The measured values for the viscosity between 0 °C. and 30 °C. agree within the experimental error, about 0.1%, with the values published by Trautz and his coworkers. At temperatures below 0 °C. the values obtained for the viscosity are important, as they supply data on the viscosity of sulphur dioxide which heretofore have not been available in the literature.

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