Comparison of the metal porphyrin distribution in bitumens isolated intact new Albany shale with those from the bitumen of the demineralized shale
Conference
Concha, MA, Quirke, JME, Beato, B et al. (1989). Comparison of the metal porphyrin distribution in bitumens isolated intact new Albany shale with those from the bitumen of the demineralized shale
. 34(1), 194.
Concha, MA, Quirke, JME, Beato, B et al. (1989). Comparison of the metal porphyrin distribution in bitumens isolated intact new Albany shale with those from the bitumen of the demineralized shale
. 34(1), 194.
There have been major developments in the structure determination of the porphyrins isolated from crude oils or from the bitumen obtained by solvent extraction of oil shale. However, there has been few reports on the nature of the porphyrin residues in oil shale after previous solvent extraction. In this paper we present electron ionization and chemical ionization mass spectrometric analyses of the Ni(II) and VO(II) porphyrin mixtures isolated from the Henryville bed of the New Albany shale which was previously solvent-extracted and demineralized (HCl/HF). We compare the distributions and substitution patterns for the porphyrins isolated from the treated shale with the corresponding mixtures obtained by the usual method of solvent extraction of the intact shale. We discuss the significance of the results in terms of the interaction of the bound porphyrins and the inorganic matrix.
