Solid-State 13 C and 1 H NMR in Kerogen Research: Uncertainty of Aromaticity Estimation

Rosenberger H. and Rentrop K. H , Strukturuntersuchungen an Kohlen und kohlenstämmigen Verbindungen mittels hochauflösender 1H-und 13C-NMR in Festkörpern (Bergakademie Freiberg und Friedrich Schiller Universität, Jena, 1982), p. 22.

Miknis F. P. Bartuška V. J. and Maciel G. E , Inter. Lab. 10, 9 (1980).

Wilson M. A. and Vassalo A. M , Organic Geochem. 8, 299 (1985).

Premović P. I. and Javonović Lj. S , Fuel, in press (1992).

Michel D. Pfeifer H. and Dekmau J , J. Magn. Reson. 45, 30 (1981).

Premović P. I. Stojković S. R. Pugmire R. J. Woolfenden W. R. Rosenberger H. and Scheler B , in Proceedings of the International Meeting Geochemistry of the Earth Surface and Process of Mineral Formation (C.S.I.C., Madrid, 1987), p. 420.

Wilson M. A. Pugmire R. J. Karas J. Alemany L. B. Woolfenden W. R. Grant D. M. and Given P. H , Anal. Chem. 56, 933 (1984).

Pugmire R. J. Woolfenden W. R. Mayne C. L. Karas J. and Grant D. M , Structural Variations in Coal Macerals, ACS Symposium Series No. 252 (American Chemical Society, Washington, D.C., 1984), p. 79.

Maciel G. E. Bartuška V. J. and Miknis F. P , Fuel 58, 155 (1979).

Yen T. F. , in Oil Shale, Yen T. F. and Chilingarian G. V , Eds. (Elsevier, Amsterdam, 1976), Vol. 5, p. 129.

Püttmann W. and Goth K , Cour. Forsch.-Inst. Senckenberg 107, 105 (1988).

Vitorović D. , in Kerogen: Insoluble Organic Matter from Sedimentary Rocks, Durand B. Ed. (Editions Technip, Paris, 1980), p. 301.