The mechanistic study of soil and groundwater remediation in petroleum contaminated
lands significantly demands rapid qualitative and quantitative identification of petroleum …

NUCLEAR MAGNETIC RESONANCE (NMR) SPECTROSCOPY HASbeen applied to
petroleum chemistry since the first days of its commercial existence. Petroleum companies …

A fast and simple 1H NMR spectroscopic method was developed for the concentration
measurement of aromatic, olefinic and aliphatic fractions in gasoline samples …

Among the various separation technologies available, pervaporation has been regarded as
a very promising one for aromatic/aliphatic hydrocarbons separations. Works in the past …

A simple and fast 1H NMR method, without any pretreatment, was developed for quality
control of gasoline. It is based on the average group molecular weight approach and relative …

The quality control of a commercial gasoline includes the assessment of several physical-
chemical properties. The main objective of the present work is to investigate the …

The identification of gasoline adulteration by organic solvents is not an easy task, because
compounds that constitute the solvents are already in gasoline composition. In this work, the …

Measurement of oil contamination of produced water is required in the oil and gas industry
to the (ppm) level prior to discharge in order to meet typical environmental legislative …

Brazilian gasoline type C can be purchased as premium and regular, with anti-knock
capacity or octane number as the main difference. In both types, anhydrous ethanol is added …

Gasoline is a very complex mixture of hundreds different components and, from a
toxicological point of view, benzene is the most hazardous one. Some of the methods …