Abstract
The soluble portion of representative samples from Italian bituminous rocks and shales were studied by n.m.r. spectrometry in the liquid state and by thermoanalytical techniques. The extracted bitumens have a variety of characteristics and also differ from analogous foreign material. One of the samples, from the Ragusa, Sicily area, is of considerable interest from the point of view of exploitation, as it is soluble in benzene and almost totally distillable in the 150–500 °C range.
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