Biofuel quality control involves the determination of metal and metalloid content. These
species play a very important role because they may modify the efficiency of biofuel …

The use of oils and fats, mainly from non-edible or used sources, microalgae, plastic wastes,
and lignocellulosic residues as feedstock to elaborate different kinds of renewable fuels …

This work reports an ion chromatographic (IC) method for the quantitative determination of
inorganic cations (Na+, K+, Mg2+ and Ca2+) in biodiesel samples that were synthesized …

In this work, a new method employing capillary electrophoresis (CE) for the determination of
several species in biodiesel is introduced. The concentrations of inorganic species (Na+, K+ …

A quantitative ion chromatographic analytical method for the simultaneous determination of
the acetate, formate, chloride, phosphate, and sulfate anions in biodiesel is proposed …

International limits have been established for metal impurities in cosmetics to prevent
overexposure to heavy metal ions. Sweeping via dynamic chelation was developed using …

Historicamente, o químico sueco Arne Tiselius foi o pioneiro na utilização da Eletroforese
como ferramenta de separação, aplicando-a em proteínas presentes no sangue. A …

A novel method for the sequential determination of sodium, potassium, calcium, and
magnesium and free and total glycerol in biodiesel by capillary zone electrophoresis is …

In this paper, we present a simple and low-cost capillary electrophoresis method for ultra-
fast determination of active ingredients present in three different pharmaceutical …

An easily performed stepwise injection (SWIA) procedure based on on-line dilution of
biodiesel samples and the formation of color-forming calcium (II) and magnesium (II) …