Summary
This paper presents an analytical system for the rapid and effective analytical control of hydrocarbon oil fractions. Three instrumental analytical methods were used:
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(1)
semipreparative liquid adsorption chromatography (LC)
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(2)
high-performance liquid chromatography (HPLC)
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(3)
nuclear magnetic resonance spectroscopy (NMR).
These methods were successfully applied for the determination of aliphatic, naphthenic and aromatic compounds in oils used in the preparation of motor oils.
For low aromatic content the concentration of naphthenic and aliphatic ompounds may be determined by analyzing the original oil samples. In other cases the fractions obtained by separation on the semipreparative column were also analyzed.
The combination of LC, HPLC and NMR gives a good possibility for the identification and determination of hydrocarbon groups in distillation oil samples.
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Dedicated to Professor J. F. K. Huber on the occasion of his 60th birthday.
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Brandšteterová, E., Pronayová, N., Garaj, J. et al. Chromatographic and NMR study of high boiling oils. Chromatographia 20, 609–614 (1985). https://doi.org/10.1007/BF02263220
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DOI: https://doi.org/10.1007/BF02263220