A series of experiments were carried out to verify the basic principles of "inverse polarography" suggested by Hickling,Maxwell and Shennan.Results lead to conclusions quite different from those of tho above workers.In the case of cadmium amalgam electrodes,within the amalgam,the diffusion of electro-active metal from interior to amalgam-solution interface obeys the general equation of linear diffusion
i_t=nFAD^1/2C(1/(√πt)
Anodic half-wave potentials obtained from C-V curves have a definite constant value indepedent Of amalgam concentration.