Computer Science
Scientific paper
Oct 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981gecoa..45.1931a&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 45, Issue 10, pp.1931-1939
Computer Science
3
Scientific paper
Laboratory extraction experiments and field observations were employed to determine the relative mobility of 239,240 pu and 241 Am from lake sediments under aerobic and anaerobic conditions. Laboratory investigations show that under aerobic conditions 241 Am is more readily extracted from Lake Michigan sediments than is 239,240 Pu. Under anaerobic conditions, the extractability of plutonium and americium does not increase significantly relative to aerobic conditions. Field studies indicate that neither element is recycled from the sediment to the overlying water column during anaerobic conditions attendant with thermal stratification. The adsorption of these elements onto sediments does not appear to be correlated with extractable iron, manganese, and organic compounds such as humic and fulvic acids.
Alberts James J.
Orlandini Kent A.
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