Abstract
The viscosity, conductivity, and density of solutions of and (or ) in several aromatic hydrocarbons were determined, as the function of the composition of the bath and of temperature. The alkali bromide has a major role in increasing both the viscosity and the conductivity, while its effect on the density of the solution is relatively minor. The results observed lend further support to the non‐Stokesian relay‐type mechanism of conductivity proposed earlier for this system. The data presented can be useful in the design and routine operation of aluminum plating baths.

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