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  • Influence
Actinides in the environment
The influence of the following parameters is discussed: oxidation state (Eh), hydrolysis (pH), solubility, complex formation, colloid formation, sorption and filtration effects. The oxidation statesExpand
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Neptunium in the Hydrosphere and in the Geosphere
The set-up of a sorption column operated with circulating groundwater under aerobic and under anaerobic conditions is described. Under aerobic conditions (Eh = 350 to 520 mV), sorption ratios R g ofExpand
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Neptunium in the Hydrosphere and in the Geosphere
The possible pathways of Np into the hydrosphere and the geosphere and the chemical reactions of Np in the hydrosphere are discussed. The Sorption of Np under various conditions is investigated inExpand
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Dissolution of Neptunium Dioxide in Aqueous Solutions under Various Conditions
Dissolution of NpO, in water depends strongly on the temperature of heating of NpO, and the presence of oxygen during dissolution. > 99% of the Np dissolved is in the oxidation State V. Colloids ofExpand
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