In recent years, the evolution of instrumental techniques such as inductively coupled plasma
(ICP)-based techniques has allowed multielemental analytical capability at trace levels and …

Sulphur and halogens (fluorine, chlorine, bromine and iodine) are nonmetallic elements that
are found in various matrices, where their existence can be in the form of an impurity or of …

The fundamental role of major, minor and trace elements in different physiological and
pathological processes occurring in living organism makes that elemental analysis of …

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 …

Nickel and vanadium in crude oil adversely affects the quality of petroleum coke and refining
process. Polymer brushes bearing high-density ligands have shown promising nickel …

The complexity of crude oil samples is the primary difficulty in reliable quantitation of their
metal contents. However, substantial advances in sample digestion procedures have been …

The synergic effect between microwave and ultraviolet radiation was proposed for chocolate
digestion and further toxic element determination by inductively coupled plasma mass …

Currently, there is a huge demand for the development of analytical methods for chemical
analysis. Sustainable methods have aroused the interest of researchers in the last years …

Microwave discharge electrodeless ultraviolet (MWUV) lamp is a novel type of ultraviolet
equipment that utilizes microwave excited plasma to emit ultraviolet light. It offers the …

A method for trace vanadium determination in natural waters was developed using
multivariate approaches (two-level fractional factorial, Doehlert and constrained mixture …