Abstract
The influence of aqueous solution of sodium humate on the transport of241Am from the soil into solution and acceleration of movement through a soil layer has been studied. It was found that under static condition the presence of 150 mg sodium humate in 100 ml water accelerates the liberation of241Am from soil into the solution. The mobility of241Am through a column of soil increased significantly since the concentration of sodium humate in the entering solution exceeded 100 mg.1−1. Artificially contaminated podsol soil from Brno site and sodium humate isolated by alkaline extraction from sediments of North Bohemian (Duchcov) origin have been used for the investigation.
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