Abstract
THE rates of evaporation, into a vacuum, of solid naphthalene from different crystal faces have been measured directly. Two crystals of naphthalene, masked so as to leave exposed only portions of the faces under study, were mounted so that evaporation from the exposed portions produced a torque which was measured with a quartz suspension fibre. It has been found that both the absolute rates of evaporation and their temperature coefficients are different for different faces, indicating variations in condensation coefficients and energies.
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CLANCEY, V. Evaporation and Mobility of Naphthalene Molecules. Nature 166, 275 (1950). https://doi.org/10.1038/166275a0
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DOI: https://doi.org/10.1038/166275a0
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