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Title: Physico-chemical properties of sulfur : 1. Pressure effects on viscosity of liquid sulfur
Authors: Doi, Tsunesuke
Issue Date: 1963
Publisher: The Physico-Chemical Society of Japan
Journal title: The Review of Physical Chemistry of Japan
Volume: 33
Issue: 2
Start page: 41
End page: 52
Abstract: The viscosities of the temperature range 130 to 230℃ and for the pressure range 1 to 100 atm are given for pure liquid sulfur by the Rolling Ball Viscometry. The pressure effects on the viscosity are obtained in the temperature range above 160℃, and the lower the temperature of liquid sulfur, the greater the effect of pressures at 160-230℃. The pressure effects on the viscosity in the temperature range below 160℃ are negligible, being close to zero at approximately 130℃. The results obtained, however, are not in quantitative agreement with the predictions of E. Powell and H. Eyring. The author's results are satisfactorily interpreted in terms of the quantitative thermodynamic theory and an equilibrium polymerization theory which was published by G. Gee and his coworkers, and A. V. Tobolsky and his coworkers. It is also found that the equation of viscosity for the Rolling Ball Method previously published by this author is satisfactory in the wide range of centipoise to several hundreds poise.
Appears in Collections:Vol.33 No.2

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