Cation Exchange Separation and Spectrographic Determination of Soluble Silicon in Plutonium.

Abstract

tions between intermediate electrode reaction products and the starting material, producing substances which can be further oxidized to cause the stoichiometry of the reaction to become complicated (5). This difficulty is largely eliminated in thin layer chronopotentiometry.Application to Kinetics Studies. The thin layer technique is well suited to the study of chemical reactions coupled to the electrochemical reaction. For example, if species A is not electroactive, but in slow equilibrium with an electroactive species B, the complete oxidation of species B in the electrode cavity would lead to a transition time corresponding to the equilibrium amount of B initially present. If the current is turned off for a measured time and then a second anodic chronopotentiogram recorded, the transition time would be a measure of the rate at which A is converted to B. An experimental application of these ideas to a study of the rate of formation and dissociation of metal chelates is in progress.

Emission Spectrographic Determination of Americium in Plutonium.

“…A glass wool plug at the bottom of the ion exchange column was used to support the resin bed. The ion exchange column (6) (1-cm. i.d.)…”