main webpage W Topic Redox Impacts of Repeated Redox Cycling on Technetium Mobility in the Environment 2017 Technetium is a problematic contaminant at nuclear sites and little is known about how repeated microbiologically mediated redox cycling impacts its fate in the environment. We explore this question in sediments representative of the Sellafield Ltd. site, UK,… Article Open Redox Open Article Page

Redox

Chemical reaction in which oxidation states of atoms are changed Redox ( RED -oks , REE -doks , reduction–oxidation or oxidation–reduction ) is a type of chemical reaction in which the oxidation states of a substrate change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is the gain of electrons or a decrease in the oxidation state. There are two classes of redox reactions: Electron-transfer – Only one (usually) electron flows from the atom being oxidized to the atom that is reduced. This type of redox reaction is often discussed in terms of redox couples and electrode potentials. Atom transfer – An atom transfers from one substrate to another. Critical Symbolic Virtual Narrative Open Redox Open Article Page

Exploring foci of: Impacts of Repeated Redox Cycling on Technetium Mobility in the Environment 2017 Technetium is a problematic contaminant at nuclear sites and little is known about how repeated microbiologically mediated redox cycling impacts its fate in the environment. We explore this question in sediments representative of the Sellafield Ltd. site, UK, over multiple reduction and oxidation cycles spanning ∼1.5 years. We found the amount of Tc remobilised from the sediment into solution significantly decreased after repeated redox cycles. X-ray Absorption Spectroscopy (XAS) confirmed that sediment bound Tc w… Open Article Page

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Explore Redox W Topic Redox Impacts of Repeated Redox Cycling on Technetium Mobility in the Environment 2017 Technetium is a problematic contaminant at nuclear sites and little is known about how repeated microbiologically mediated redox cycling impacts its fate in the environment. We explore this question in sediments representative of the Sellafield Ltd. site, UK,… Article Critical Symbolic Virtual Narrative Open Redox Open Article Page