Radiochemical investigation of the consequence of isomeric transition in telluric acid in solid and in solution

The chemical states of tellurium ground state isomers formed as a result of isomeric transition from the meta state isomers of tellurium-121, 127, 129 and 131 isotopes have been studied in solid telluric acid and solution. The fraction of tetra-valent tellurium obtained for the above isotopes differed from isotope to isotope and also from solid to solution. More tetra-valent form was found in solution than in solid. The observed results were interpreted in terms of the partial decay constant of the parent meta state isomers. Anion exchange chromatography was applied to separate the tetra-valent and hexa-valent forms of tellurium. (author)