Dried sediments of magnetic ferrihydrite nanoparticles subjected to ultrasonic treatment in the cavitation mode are studied via Mössbauer spectroscopy. Fe ions are reduced to the metal state. In all experiments… Click to show full abstract
Dried sediments of magnetic ferrihydrite nanoparticles subjected to ultrasonic treatment in the cavitation mode are studied via Mössbauer spectroscopy. Fe ions are reduced to the metal state. In all experiments with detected metal reduction, the investigated suspensions contain organic components.
               
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