Thermochemical recycling of plastic waste to base chemicals via pyrolysis followed by a
minimal amount of upgrading and steam cracking is expected to be the dominant chemical …

Gasoline, diesel, ethanol and more recently also biodiesel are the four types of fuel used for
automobile, truck and other transportation vehicle. The presence of metallic and metalloid …

Dispersion systems like emulsions and microemulsions are able to solubilize both polar and
non-polar substances due to the special arrangement of the oil and aqueous phases. The …

Arsenic (As) is a toxic trace element with many sources, including hydrocarbons such as oil,
natural gas, oil sands, and oil-and gas-bearing shales. Arsenic from these hydrocarbon …

The present article describes fundamentals and applications of multivariate techniques used
for the optimization of analytical procedures and systems involving spectroanalytical …

An alternative method for the determination of calcium and magnesium in biodiesel samples
by flame atomic absorption spectrometry (FAAS) is proposed. The samples were prepared …

In this work, a dual-bed resin solid phase extraction (SPE) for preconcentration of Ag, Al, As
and Cr prior to their inductively coupled plasma-optical emission spectroscopy (ICP-OES) …

A method for the simultaneous determination of Co, Cu, Pb and Se in crude oil, gasoline and
diesel samples using emulsion-based sampling and GF AAS is proposed. 400 mg of sample …

This paper proposes a novel approach for the extraction of Hg from Brazilian gasoline
samples: extraction induced by microemulsion breaking (EIMB). In this approach, a …

Road dust is a non-exhaust source that can significantly contribute to atmospheric
particulate by resuspension. Beside the issue of the overcoming of guidelines limits for the …