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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 9, Number 2
April 20, 1965 

The Surface Tension of Liquid Iodine

액체 요오드의 표면장력
Sungwan Kim, Seihun Chang

김성완, 장세헌
액체 요오드의 표면장력을 측정하기 위하여 새로운 장치를 고안하고 differential capillary rise method를 써서 125.0℃, 135.0℃, 145.0℃에서 각각 36.88, 35.87, 34.83 및 34.04 dye/cm의 값들을 얻었다. 이 측정된 값들로부터 Eotvos 상수를 구해본 결과 각 온도에서 비슷한 값을 보여주고 있음을 알았다.

The surface tension of liquid iodine was measured by differential capillary rise method at various temperatures above the melting point. A paraffin bath with mercury regulator was used to maintain constant temperature. The height of the meniscus of liquid iodine in the capillary tube was measured by a travelling microscope. The measured values of surface tensions at 125.0°,135.0°, 145.0° and 155.0℃ were 36.88, 35.87, 34.83 and 34.04 dyne/cm, respectively. Calculated Eotvos constant from the surface tension, data. experimentally obtained, were consistent through the temperature range.

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