Speciation of copper and zinc compounds in artificially contaminated chernozem by X-ray absorption spectroscopy and extractive fractionation
作者： T.M. Minkina , A.V. Soldatov , G.V. Motuzova , Yu.S. Podkovyrina , D.G. Nevidomskaya
DOI: 10.1016/J.GEXPLO.2014.03.013
关键词: Copper 、 Soil organic matter 、 XANES 、 Zinc 、 Inorganic chemistry 、 Chernozem 、 X-ray absorption spectroscopy 、 Chemistry 、 Soil test 、 Absorption spectroscopy
摘要: Abstract Extractive fractionation of metal compounds in chernozem samples, artificially contaminated with copper and zinc salts serves as evidence absorbing the applied Cu 2 + ions by soil organic matter Zn — silicates, carbonates, Fe–Mn oxides. The study structural organization different samples phases saturated using Х-ray absorption spectroscopy (XANES) allowed determination mechanism their interaction all chemical bindings taken place course this process. It is shown that action bound to components becomes weakened case increasing load (from 2000 10 000 mg/kg) especially form soluble salts.
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