The cloud point extraction procedure is an alternative to liquid–liquid extraction and based
on the phase separation that occurs in aqueous solutions of non-ionic surfactants when …

A novel separation–preconcentration procedure based on ionic liquid dispersive liquid–
liquid microextraction of traces lead as pyrrolidinedithiocarbamate chelate has been …

The recovery of valuable metals from industrial process residues is complex because those
metals are often present in very low concentrations and locked in complex matrices. Hence it …

A simple, cheap, and environmentally friendly centrifuge-less cloud point extraction
procedure was developed for the preconcentration of traces of Cu (II) before its …

Green Analytical Chemistry (GAC) is a research field that seeks for more sustainable
analytical approaches to minimize the toxicity and amounts of wastes without hindering the …

Sample preparation has a long history when thinking about the conversion of solid samples
to representative solutions using concentrated acid solutions and high temperature …

A highly-sensitive method for Cu (II) determination employing single-drop microextraction
(SDME) sample prior graphite-furnace atomic absorption spectrometry (GF AAS) is …

Cloud point extraction (CPE) was used to simultaneously preconcentrate trace-level
cadmium, nickel and zinc for determination by flame atomic absorption spectrometry (FAAS) …

A new method based on the cloud point extraction (CPE) separation and spectrophotometric
detection was proposed for the determination of iron species. In this method, Fe (II) reacts …

In this work, a copper (II) ion-selective electrode with an ionic liquid (IL), 1-(2-aminoethyl)-3-
butylimidazolium bis (trifluoromethanesulfonyl) imide ([C 4 NH 2 C 2 im] NTf 2), as active …