In the past decade, nanoscale solid materials have become very important because of their
special properties, 1, 2 and the nanomaterials field has gained increasing attention from …

Biogas is a renewable fuel source of methane that can be used as energy for vehicles after a
purification process to remove impurities (Biogas upgrading and cleaning). However …

The research presented in this paper investigates the adsorption of cation surfactants
cetyltrimethylammonium bromide (CTAB) and cetylpyridinium chloride (CPC) onto …

The paper presents a general overview of the use of nanoparticles to perform sample
preparation. In this way the main uses of nanoparticles to carry out solid phase extraction …

Determination of polybrominated diphenyl ethers (PBDEs) in environmental samples has
raised great concerns due to the widespread use of PBDEs and their potential risk to …

Analytical science has gone through several turning points, one of the most decisive of
which was signaled by the development and massive use of instruments for analytical …

A simple and environmentally friendly method for determination of seven phenols using
solid-phase microextraction (SPME) coupled to high-performance liquid chromatography …

Mixed hemimicelles solid-phase extraction (SPE) based on cetyltrimethylammonium
bromide (CTAB)-coated nano-magnets Fe3O4 was investigated for the preconcentration of …

A new method that utilizes ethylenediamine-modified multiwalled carbon nanotubes as a
solid-phase extractant has been developed for simultaneous preconcentration of trace Cr …

This article reviews the impact of carbon nanotubes on analytical science, and the main
current and future applications of carbon nanotubes in this field. Given that it is necessary to …