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Sverdlovsk oblast, Russia

Betenekov N.D.,Ural Federal University | Denisov E.I.,Ural Federal University | Sharygin L.M.,Termoxid Research and Production Company
Radiochemistry | Year: 2016

The results of the first experimental study on the sorption of molybdenum microamounts onto Termoxid- 5 sorbent in relation to the solution acidity and specific amount of the sorbent, varied in a wide range, are reported. The dependences obtained are correlated with changes in the molybdenum speciation depending on pH of the aqueous solution and with the data calculated using different sorption models. The experimental data are described most adequately with the model of the sorbent in the form of the supporting electrolyte cation, with possible sorption of cationic, neutral, and anionic molybdenum species. The experimental dependences of the molybdenum sorption onto Termoksid-5 sorbent on the specific amount of the sorbent show that molybdenum exists in a strongly acidic solution (3 M HNO3) in the form of several labile species. © 2016 Pleiades Publishing, Inc.

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