SOME APPLICATIONS OF INFRARED SPECTROSCOPY IN A PETROLEUM LABORATORY
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Date
1952
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Ohio State University
Abstract
Infrared spectroscopy is a major tool in work on modern petroleum processes such as alkylation, polymerization and catalytic reforming. Because of current interest in petroleum-derived benzene, analytical procedures used for charge stocks and reformates will be given. A spectroscopic method for methylcyclopentane, cyclohexane, and individual paraffins which avoids most apparent deviations from Beer's Law is used. Significant experimental conditions are: compensated scanning of 2-10\% solutions in $CS_{2}, 1-mm$ cells, good resolution and measurements in the 45-70\% transmittance range. For the sharp $650-850 cm^{-1}$ bands of aromatic hydrocarbons, working curves of absorptivity vs. absorbance are used to compensate for slit-width effects. Applications of infrared spectroscopy to chemical research will be given. Examples include butylated phenol antioxidants, alkyl aryl detergents, $C_{4}$ gas mixtures, and alkylation of thiophene.
Description
Author Institution: Universal Oil Products Company, Research and Development Laboratories