Bonding of Hg(II) to reduced organic sulfur in humic acid as affected by S/Hg ratio

Article Abstract:

Soil samples from marine wetland are used to produce sulfur-rich humic acid, which is exposed to Hg(II) and measured for bonding between the two compounds by extended X-ray absorption fine structure spectroscopy. The EXAFS data is graphed, showing the relationship between Hg(II) and humic acid.

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Time scales for sorption-desorption and surface precipitation of uranyl on goethite

Article Abstract:

The partitioning of uranium in a solution containing synthetic goethite is measured to determine the mobility of dissolved uranium. Graphs show the dispersion of the uranium in a controlled system.

California, Uranium

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Americium binding to humic acid

Article Abstract:

Peat humic acid is used to bind americium, copper, and ferric iron, in order to model competitive binding studies. Results of the binding experiments are charted, and the relationships between different binding metals are discussed.

United Kingdom, Primary copper, Copper, Primary Smelting and Refining of Copper, Copper products

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