An investigation of the vanadyl porphyrin complexes of the athabasca oil sands

Details An investigation of the vanadyl porphyrin complexes of the athabasca oil sands An investigation of the vanadyl porphyrin complexes of the athabasca oil sands

Feb 1966

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1966gecoa..30..207m&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 30, Issue 2, pp.207-221

Computer Science

Scientific paper

The Athabasca oil sands contain, besides the vanadium porphyrin pigments of normal spectroscopic type common to petroleum deposits, a small amount of an abnormal type. This minor component has been partly separated and concentrated, and its structure has been investigated by decomposition and reformation. It appears to be the vanadyl complex of a porphyrin containing a carbonyl group conjugated with the main chromophore; a similar complex has been prepared from a porphyrin derived from chlorophyll. The oxygenated complex in the oil sand is probably a secondary product formed from the more common petroporphyrins during an oxidative stage in the history of the deposit.

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