LETTERS TO THE EDITOR

LETTERS TO THE EDITOR

March 1, 1955 | M. E. L. McBain
The passage discusses the conductivity of a dilute solution, where the equivalent conductivity of 0.0000577Nw was found to be 372.4 mhos, compared to Mr. Dye's 360.5 for his most dilute solution (0.001089Nw). The graph also shows the Onsager slope, calculated from the latest value for myristyl ion (371.6), which indicates that the conductivity rises above its infinite dilution value, suggesting the formation of micelles. This conclusion aligns with previous studies on colloidal electrolytes. In the second section, the authors acknowledge Professor B. V. Derjaguin for drawing their attention to his earlier work on the stability of lyophobic colloids, which includes the essential elements of the theory they later developed. They explain that their work was performed during World War II, when they were isolated from Allied information, and they provide references to prior publications that predate their monograph, highlighting the independent nature of their research. The third section discusses dropwise condensation of vapor, where water condenses in discrete droplets on a colder surface rather than forming a film. This phenomenon has been achieved by coating metals with promoters like stearic acid or benzyl mercaptan, which are then dissolved and removed.The passage discusses the conductivity of a dilute solution, where the equivalent conductivity of 0.0000577Nw was found to be 372.4 mhos, compared to Mr. Dye's 360.5 for his most dilute solution (0.001089Nw). The graph also shows the Onsager slope, calculated from the latest value for myristyl ion (371.6), which indicates that the conductivity rises above its infinite dilution value, suggesting the formation of micelles. This conclusion aligns with previous studies on colloidal electrolytes. In the second section, the authors acknowledge Professor B. V. Derjaguin for drawing their attention to his earlier work on the stability of lyophobic colloids, which includes the essential elements of the theory they later developed. They explain that their work was performed during World War II, when they were isolated from Allied information, and they provide references to prior publications that predate their monograph, highlighting the independent nature of their research. The third section discusses dropwise condensation of vapor, where water condenses in discrete droplets on a colder surface rather than forming a film. This phenomenon has been achieved by coating metals with promoters like stearic acid or benzyl mercaptan, which are then dissolved and removed.
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[slides] Theory of the stability of lyophobic colloids. | StudySpace