Computer Science
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983gecoa..47.1907b&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 47, Issue 11, pp.1907-1916
Computer Science
1
Scientific paper
An in-situ dialysis technique has been developed to examine chemical and bacterial rates of manganese binding and oxidation under diffusion-limited conditions in sediments. With this method, the microbial and abiotic components of manganese binding were delineated quantitatively in laboratory sediments spiked with manganese oxidizing bacteria. The abiotic removal of manganese by the same sediments has also been determined independently to define the relative importance of adsorption, ion exchange and autocatalytic oxidation in the removal of Mn 2+ from solution. Independent measurements of both bacterial and abiotic manganese binding were in good agreement with the diffusion-controlled rate data, validating the use of this dialysis technique as a means of examining manganese oxidation in-situ .
Burdige David J.
Kepkay Paul E.
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