REE mineralogy and resources

M Hoshino, K Sanematsu, Y Watanabe - … on the physics and chemistry of …, 2016 - Elsevier
Recent increase of the demand for rare earth elements (REEs), especially dysprosium and
terbium used in the permanent magnet industry is modifying a concept of the REE …

Geochemical evidence for provenance diversity of loess in southern China and its implications for glacial aridification of the northern subtropical region

L Han, Q Hao, Y Qiao, L Wang, S Peng, N Li… - Quaternary Science …, 2019 - Elsevier
The thick '**ashu loess' in southern China is distributed not only in the Yangtze River valley,
but also and most extensively in the region between the Qinling Mountains and the lower …

An evaluation of geochemical weathering indices in loess–paleosol studies

B Buggle, B Glaser, U Hambach, N Gerasimenko… - Quaternary …, 2011 - Elsevier
Applying geochemical proxies as measure for the weathering intensity of paleosols and
sediments such as loess, the Quaternary scientist is confronted with various element ratios …

The residual effect of sewage sludge biochar on soil availability and bioaccumulation of heavy metals: Evidence from a three-year field experiment

JKM Chagas, CC de Figueiredo, J da Silva… - Journal of …, 2021 - Elsevier
Conversion of sewage sludge (SS) into biochar through pyrolysis is an alternative to make
this residue useful for agricultural purposes. Despite advances in interpreting the functions …

Soil texture prediction in tropical soils: A portable X-ray fluorescence spectrometry approach

SHG Silva, DC Weindorf, LC Pinto, WM Faria… - Geoderma, 2020 - Elsevier
Soil texture is an important feature in soil characterization, although its laboratory
determination is costly and time-consuming. As an alternative, this study aimed at predicting …

Atomic spectrometry update. Environmental analysis

OT Butler, JM Cook, CF Harrington, SJ Hill… - Journal of Analytical …, 2006 - pubs.rsc.org
This is the twenty-first annual review published in JAAS of the application of atomic
spectrometry to the chemical analysis of environmental samples. In the analysis of air, there …

Major element geochemistry and geomorphic relationships in Brazilian Cerrado soils

JJ Marques, DG Schulze, N Curi, SA Mertzman - Geoderma, 2004 - Elsevier
A thorough understanding of major and trace element geochemistry is important in
assessing the impacts of rapid agriculturalization and increased human occupation of the …

Elemental analysis of Cerrado agricultural soils via portable X-ray fluorescence spectrometry: Inferences for soil fertility assessment

TM de Lima, DC Weindorf, N Curi, LRG Guilherme… - Geoderma, 2019 - Elsevier
Conventional soil chemical analyses are time-consuming and laboratory-based.
Spectroscopic techniques have been introduced to make soil measurements more rapid and …

Quality reference values and background concentrations of potentially toxic elements in soils from the Eastern Amazon, Brazil

AR Fernandes, ES de Souza, AM de Souza Braz… - Journal of Geochemical …, 2018 - Elsevier
Concentration quality reference value (QRV) concentrations are calculated based on the
background of potentially toxic elements (PTEs) in their natural state, absent from human …

[HTML][HTML] Rapid estimation of soil Mn content by machine learning and soil spectra in large-scale

M Zhou, T Hu, M Wu, C Ma, C Qi - Ecological Informatics, 2024 - Elsevier
Manganese (Mn) is an essential element in both plants and the human body; however,
traditional methods for monitoring Mn in soil are costly and inefficient. As such, it is …