Sample preparation is the most crucial step in any analytical method of determination. The
main goal of sample preparation is to isolate or pre-concentrate target analyte from complex …

Scandium and its compounds are used in many modern industrial fields due to its unique
chemical and physical properties. It is mainly recovered from residues and wastes in the …

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 …

The world during the COVID-19 pandemic has led to extensive use of virtual activities by
means of electronic devices, which are made up of rare earth elements (REEs). This means …

Thallium (Tl) pollution have attracted widespread attention in recent years due to is its high
toxicity as well as its increasing release into the environment by human activities …

In this work, sample preparation of carbon nanotubes (CNTs) for further determination of
inorganic contaminants was investigated using a microwave-assisted wet digestion single …

The shales of the Mamfe basin, West Africa, were studied using inorganic geochemical
analysis to investigate the origin of the organic matter, environment of its deposition …

Trace metals must be strictly controlled in petroleum coke when it is used as anode, as the
function of electrodes depends on their concentration, being detrimental in process …

Microfluidics offer novel and state-of-the-art pathways to process materials. Microfluidic
systems drastically reduce timeframes and costs associated with traditional lab-scale efforts …

The characterization and identification of inorganic solids present in Brazilian crude oil
emulsions were performed after the application of the ASTM D4807 procedure by scanning …