Mössbauer spectroscopic studies of iron in organic material from natural sedimentary environments |
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Authors: | D.P.E. Dickson L. Heller-Kallai I. Rozenson |
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Affiliation: | Department of Physics, The University of Liverpool, LiverpoolU.K.;Department of Geology, The Hebrew University, JerusalemIsrael |
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Abstract: | 57Fe Mössbauer spectra have been obtained from samples of humic acid, fulvic acid and kerogen and from the organic material extracted from bituminous chalk with benzene-methanol. The spectra indicate that iron occurs in a trivalent form in the silicate residue of the humic acid fraction, as hydrated ferrous ions associated with the fulvic acid fraction, as pyrite in kerogen and in a form not detectable by Mössbauer spectroscopy in the benzene-methanol extract. |
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