Radiotracer technique in adsorption studies

Ion Exchangers in Radioactive Waste Management. Part VIII*: Radiotracer Studies on Adsorption of Strontium Ions on Hydrous Manganese Oxide

“…Thus the negligible desorption value, little affected by increase in the temperature, indicates that the strontium uptake by HMO is chemisorptive in nature. Similar results have also been reported in recent reports [17,22,31].…”

“…A detailed study on adsorption of Ba(II) ions by hydrous manganese oxide from aqueous solutions has been reported in a recent communication [17]. In a continuation of our earlier works [1,[17][18][19][20][21][22] on ionic adsorption on metal oxides, the present study describes the sorption behaviour of hydrous manganese oxides for strontium ions from its aqueous solutions under various physical conditions to establish the best conditions for its removal.…”

Inorganic particulates in removal of heavy metal toxic ions

“…Also, the cost effectiveness and stability toward heat and wide pH ranges enhances their potentialities in such studies. Hydrous manganese oxide formed by the atmospheric oxidation of Mn(II) salts possesses very high cation-exchange properties for the fission products, i.e., radiocesium [12] and radiostrontium [13], and also heavy-metal ions, i.e., cadmium [14], as studied by our group. On the other hand, hydrous tin oxide is also found to be an important metal oxide, showing good cationic and anionic exchange behavior [15][16][17][18][19][20][21].…”

Thin Films of Octahedral Molecular Sieves of Manganese Oxide

“…Potential applications in separation science, environmental catalysis, and biological systems may also be possible. Other possibilities include use as sensors, as supports for metal clusters, and in disposal of radioactive metal ions …”