Metals, including vanadyl and nickel porphyrins, in the oil shales of Timahdit, Morocco
Identifieur interne : 001519 ( Main/Exploration ); précédent : 001518; suivant : 001520Metals, including vanadyl and nickel porphyrins, in the oil shales of Timahdit, Morocco
Auteurs : Ahmed Saoiabi [Maroc] ; Mohamed Ferhat [Maroc] ; Jean Michel Barbe [Maroc, France] ; Roger Guilard [Maroc, France]Source :
- Fuel [ 0016-2361 ] ; 1983.
Abstract
Vanadyl and nickel porphyrins have been isolated from a Cretaceous oil shale (Timahdit, Morocco) by solvent extraction and chromatography. Electronic absorption spectrophotometry and mass spectrometry have been used in the determination of the nature and proportion of the isolated complexes. A distinction between the metal content associated with porphyrinic systems and that associated with inorganic materials is made on the basis of metal determinations carried out on the bituminous shale and on the extract of organic material; the concentration of V and Ni observed in organic material is comparable to that found in heavy crude oils but these metals, present in nearly identical amounts, are entirely coordinated to porphyrinic systems.
Url:
DOI: 10.1016/0016-2361(83)90171-0
Affiliations:
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Electronic absorption spectrophotometry and mass spectrometry have been used in the determination of the nature and proportion of the isolated complexes. A distinction between the metal content associated with porphyrinic systems and that associated with inorganic materials is made on the basis of metal determinations carried out on the bituminous shale and on the extract of organic material; the concentration of V and Ni observed in organic material is comparable to that found in heavy crude oils but these metals, present in nearly identical amounts, are entirely coordinated to porphyrinic systems.</div></front></TEI><affiliations><list><country><li>France</li><li>Maroc</li></country><region><li>Bourgogne</li><li>Bourgogne-Franche-Comté</li><li>Rabat-Salé-Kénitra</li></region><settlement><li>Dijon</li><li>Rabat</li></settlement></list><tree><country name="Maroc"><region name="Rabat-Salé-Kénitra"><name sortKey="Saoiabi, Ahmed" sort="Saoiabi, Ahmed" uniqKey="Saoiabi A" first="Ahmed" last="Saoiabi">Ahmed Saoiabi</name></region><name sortKey="Barbe, Jean Michel" sort="Barbe, Jean Michel" uniqKey="Barbe J" first="Jean Michel" last="Barbe">Jean Michel Barbe</name><name sortKey="Ferhat, Mohamed" sort="Ferhat, Mohamed" uniqKey="Ferhat M" first="Mohamed" last="Ferhat">Mohamed Ferhat</name><name sortKey="Guilard, Roger" sort="Guilard, Roger" uniqKey="Guilard R" first="Roger" last="Guilard">Roger Guilard</name></country><country name="France"><region name="Bourgogne-Franche-Comté"><name sortKey="Barbe, Jean Michel" sort="Barbe, Jean Michel" uniqKey="Barbe J" first="Jean Michel" last="Barbe">Jean Michel Barbe</name></region><name sortKey="Guilard, Roger" sort="Guilard, Roger" uniqKey="Guilard R" first="Roger" last="Guilard">Roger Guilard</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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