A Study of the Photo-Active Electrolytic Cell, Platinum—Rhodamine-B—Platinum

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Abstract
The Range of the Current-time Equations.—Goldmann and Thompson have each suggested equations to represent both the growth and the decay of the current given by a photo-active electrolytic cell having electrodes of platinum and an alcoholic solution of Rhodamine-B as electrolyte. The author points out that in each of these equations it is necessary to use different parameters after the first minute of the growth or decay than before and suggests that this may be due to the failure to correct the data for the inertia and damping of the galvanometer coil. A method for correcting the galvanometer deflections for these effects is discussed and correction equations developed. These equations involve constants of the galvonometer, the resistances of the circuit and the polarization capacity of the cell.

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