| Abstract: | Elucidation of the Molecular Structure of Petroleum Constituents by N.M.R. Spectroscopy. III. Quantitative Analysis of Crude Oil Fractions in the Boiling Range above 220°C A method is presented which permits a quantitative analysis of crude oil products boiling > 220°C by means of the data of the 1H n.m.r. spectrum. Besides of the quantitative analysis (aromatics, paraffins/naphthenes), further structural informations for both of these groups are given, concerning the number of carbon atoms in aromatic rings, the degree of substitution of the aromatic rings, and the CH3-share of paraffins/naphthenes. |
