Vol. 72
4016 [ CONTRrBUTIOX FROM
THE
TEXAS GULF SULPHTTX COMPASY,
INC.
1
The Surface Tension of Sulfur H Y R. FANELLI
The history of the many attempts to determine the surface tension of sulfur is replete with frustration and contradiction. Eminent investigators1 in the field of capillarity abandoned their trials because of the difficulties encountered.
rise appeared to be constant in the temperature range below 160'. Reported surface tension values by the capillary rise method vary from 11.6 to 61.2 dynes per cm. a t 120'. Zickendraht6 employed the maximum bubble pressure method, for measuring the surFig. 1A.- Surface tension of sulfur face tension of sulfur. His values below 160": 0 this work; 8 Kellas' are erratic and discordant. They data for tubes