Study of Some of the Parameters Affecting Knudsen Effusion. III. The Vapor Pressure of Gold

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Abstract
Vapor-pressure data for gold were obtained during a study of the spatial distributions of molecular beams effusing from Knudsen cells. Even with such a simple, ideal substance, deviations from cosine behavior were noted. These deviations are attributed to geometrical effects arising from cell and sample configurations, and to losses within the cell. Knowledge of the causes and effects of these deviations allowed vapor-pressure data of high prescision to be obtained.