Elemental iron: reduction of pertechnetate in the presence of silica and periodicity of precipitated nano-structures
Daria Boglaienko, Odeta Qafoku, Ravi Kukkadapu, Libor Kovařík, Yelena Katsenovich, Denis E. Cherkasov, Hilary P. Emerson, Tatiana G. Levitskaia
Abstract
Enhanced TcO<sub>4</sub><sup>−</sup> reduction by metallic Fe<sup>0</sup> in the presence of particulate and structural Si. Rhythmical precipitation of dissolved iron leads to formation of layered structures related to geological phenomena such as orbicular rocks and Liesegang rings.
Topics & Concepts
PrecipitationPertechnetateMetalNano-Materials scienceInorganic chemistryMineralogyChemistryChemical engineeringNuclear chemistryMetallurgyTechnetiumPhysicsComposite materialMeteorologyEngineeringEnvironmental remediation with nanomaterialsRadioactive element chemistry and processingGeochemistry and Elemental Analysis