No abstract

In the case of petroleum sulfonates consisting of mixtures of complex or polysubstituted aromatic nuclei, the method developed here allows determination of the range of distribution of alkyl side chains in order to evaluate its suitability a s raw material in the manufacture of crankcase detergentsThe described methodology can also be applied to the control of commercial formulations References[I][2]K. S. Anand, 0 N. Anand, and M M. Singh, J. Inst. Petrol. 58 (1972) 322.225 151 [6] [7] [8] P 0 Lagerstrom, J Chromatogr 250 (1982) 43

Four toxic 10 ␣H-9-oxofuranoeremophilanes were isolated and identified from the petroleum ether extract of Senecio bonariensis.