Diffusion through an Interface—Ternary Systems

Abstract
Diffusion measurements have been made at 22°C and at 40°C in the system phenol‐H2SO4‐water, using S35 tagged H2SO4 as a radioactive tracer. Measurements made through the interface indicate that a significant resistance resides in the interface at both temperatures, and that the solution chemistry of the system must be quite complex. The relation of the results to practical mass transfer problems is briefly discussed.

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