Abstract
Kerogens isolated from nine samples from a single marl bed of the Gessoso-solfifera formation in the Vena del Gesso basin (Upper Miocene, Italy) were treated with CrCl2 and Li/EtNH2 to remove inorganic and organic sulphur, respectively. The untreated and 'desulphurized' (CrCl2 and Li/EtNH2) kerogens were qualitatively and quantitatively analyzed by
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