The association of vanadium with humic acids

Details The association of vanadium with humic acids The association of vanadium with humic acids

Jan 1967

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1967gecoa..31....1s&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 31, Issue 1, pp.1-6

Physics

5

Scientific paper

Experiments described in this paper demonstrate that insoluble humic acid prepared by purification of peat is able to reduce the mobile metavanadate (VO 3 ) - anion. The anion is reduced to vanadyl (VO) 2+ cation which can be firmly fixed by the cation exchange properties of humic acid, with a geochemical enrichment factor of at least 50,000:1. These laboratory observations present ample explanation for the known geochemical association of V with fossil plant debris and bioliths. It can be assumed that these phenomena play a major role in the geochemical enrichment of V in organic substances.

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