The preparation of nanoparticles by utilizing laser ablation in liquid has gained extensive
attention as a reliable, simple, fast, efficient and environmental friendly method. In the …

Iron deficiency is one of the most common micronutrient deficiencies worldwide. Food
fortification can be an effective and sustainable strategy to reduce Fe deficiency but …

Studies of heavy metals are concentrate on clay fractions, but coarser fractions of the soil
can constitute significant sources of structural forms of heavy metals. The aim of this study …

Strong acid digestions are commonly used to determine heavy metal (HM) contents in soils.
In order to understand more fully the acid digestion processes, a logical step is to determine …

Os solos tropicais altamente intemperizados tendem a acumular residualmente óxidos de
ferro e alumínio. Entre os óxidos e hidróxidos de ferro presentes na fração argila, a goethita …

For an understanding of metal transport at the Earth's surface, ferrihydrite (Fe 4–5 (OH, O)
12) transformation experiments were conducted with and without the presence of Zn, and …

Os minerais ferrimagnéticos maghemita (γFe2O3) e magnetita (Fe3O4) possuem alta
relação com a disponibilidade de cátions metálicos e com a capacidade do solo em …

Industry-wide applications of synthetic dyes produce large amounts of dye wastewater that
requires treatment. Advanced oxidation processes are considered promising, since they …

ABSTRACT Maghemite (γ-Fe2O3) and hematite (α-Fe2O3) are important iron oxides in
Brazilian soils derived from basalt. Maghemite can transform into hematite when exposed to …

Synthetic aluminum-substituted maghemites were characterized by total chemical analysis,
powder X-ray diffraction (XRD), Mössbauer spectroscopy (ME), and vibrating sample …