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Geochemistry and Spatial Variability of Rare Earth Elements in Soils under Different Geological and Climate Patterns of the Brazilian Northeast Rev. Bras. Ciênc. Solo
Silva,Cinthia Maria Cordeiro Atanázio Cruz; Barbosa,Ronny Sobreira; Nascimento,Clístenes Williams Araújo do; Silva,Yuri Jacques Agra Bezerra da; Silva,Ygor Jacques Agra Bezerra da.
ABSTRACT Growth in the agricultural and industrial sectors has increased the demand for rare earth elements (REEs) in the production of technological devices and fertilizers. Thus, the accumulation of these elements in the soil has become an environmental concern. Here, we aim to determine the natural contents of REEs in soils derived from different parent materials and under climatic conditions ranging from humid to semi-arid. We then evaluate the influence of major elements and soil properties on the geochemistry of REEs. The contents of REEs were determined using inductively coupled plasma optical emission spectroscopy. Major elements were determined by X-ray fluorescence spectrometry. The mean content of REEs in soils from Rio Grande do Norte (RN),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Natural contents; Lanthanides; Geostatistics; Factor analysis; Soil quality.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832018000100524
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