A new solid-phase extraction sorbent was used for the preconcentration of Pb (II) and Cr (III)
ions prior to their determination by flame atomic absorption spectrometry. It was prepared by …

In this study, a new method called miniaturised homogenous liquid–liquid extraction,
followed by graphite furnace atomic absorption spectrometry, was developed for the …

A carbon paste electrode (CP) impregnated with Cd 2+ ion imprinted polymer (IIP) was
prepared and used for differential pulse voltammetry determination of Cd 2+ in real samples …

Posidonia oceanica leaves have been pre-treated with HCl solutions to elaborate a
biosorbent that was carried out for Pb (II) sorption at pH 4 and pH 5. The sorption of Pb (II) …

A novel silica gel phase [Si–NH2–VB4] is synthesized by a direct immobilization of Vitamin
B4 (VB4), as an eco-friendly modification of a silica-amine phase [Si–NH2]. The resulting …

A noble method for pre-concentration and speciation of ultra trace As (III) and As (V) in urine
and whole blood samples based on dispersive liquid-liquid microextraction (DLLME) has …

In this study, we used an automated online chip-based solid-phase extraction (SPE)–
inductively coupled plasma-mass spectrometry (ICP-MS) system for analyzing trace …

A method of separation and preconcentration for the determination of Zn, Cu, and Mn in
natural water was described and real samples studied using flame atomic absorption …

In this work, the authors proposed a new liquid membrane-based method for the
determination of lead in saline waters. In this case, the new method is based on lead …

A solid phase extraction procedure is proposed for simultaneous separation and
preconcentration trace amounts of Cu (II) and Cd (II) using alumina coated with N′-{4-[4-{1 …