The cloud point extraction (CPE), a surfactant-based extraction and preconcentration
procedure of metal ions in trace level, has become an attractive area of research in the field …

Since the implementation of Green Chemistry into analytical practice, significant efforts have
been made to improve the sustainability of chemical analysis. These include reducing the …

In the present paper is presented a review on the application of Doehlert design in the
optimization of some of the steps of analytical procedures aimed the analysis of food …

As the staple food for Asian countries and with its ability in arsenic accumulation, rice
consumption becomes a dominant pathway for As exposure to humans. Here, we collected …

Extraction is regarded as the most crucial stage in analyzing bioactive compounds.
Nonetheless, due to the intricacy of the matrix, numerous aspects must be optimized during …

This work presents the optimization of a sample preparation procedure using microwave-
assisted digestion for the determination of nickel and vanadium in crude oil employing …

Arsenic (As) species is ubiquitous in environmental and biological samples, and their toxicity
is much different based on individual species. Therefore, the determination of arsenic and …

An on-line solid phase extraction coupled to liquid chromatography with UV detection
(SPE/LC-UV) method was automated by the multisyringe flow-injection analysis (MSFIA) …

In recent decades, the remarkable thermal, electronic, optical and mechanical properties of
smart materials have attracted the attention of analytical chemists intending to address …

Cloud point extraction with cold column trapping (CPE-CCT) was used for the rapid
preconcentration and UV–Vis spectroscopy of beta-carotene in fruit juice samples. A central …