Although only a slightly radioactive element, thorium is considered extremely toxic because
its various species, which reach the environment, can constitute an important problem for the …

Ion exchange polymers were used for mercury and lead ions removal in water. The heavy
metal ion concentration was analyzed by two independent methods: inductively coupled …

Melatonin is the hormone that focuses the attention of the researchers in the medical,
pharmaceutical, materials, and membranes fields due to its multiple biomedical implications …

This paper presents the preparation and characterization of composite membranes based
on chitosan (Chi), sulfonated ethylene–propylene–diene terpolymer (sEPDM), and …

Thorium is a weak radioactive element, but the control of its concentration in natural
aqueous systems is of great interest for health, because it is a toxic heavy metal. The present …

The recovery and recycling of metals that generate toxic ions in the environment is of
particular importance, especially when these are tungsten and, in particular, thorium. The …

Although batteries containing heavy metals and toxic chemicals, including lead and
cadmium, are supposed to be selectively collected, they still end up on municipal waste …

Waste from devices, electrical and electronic equipment (EEED) contains metal elements
that are recyclable both for their value and because, if they are not recovered, they can affect …

11 energie (EDAX), analiză termică (TG, DSC), analiză termică cuplată cu cromatografie și
analiză în infraroșu și contact. măsurători de unghi, dar și din punct de vedere al …

Composite membranes based on cellulosic derivatives or related natural compounds with
ionizing groups represent one of the viable alternatives for separation, concentration and …