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Aluminium activity in soil solution and mineral stability in soils from Galicia (NW Spain)
Published online by Cambridge University Press: 09 July 2018
Abstract
Solutions obtained from soils in the Galicia Region of NW Spain had considerably lower activities of Al3+ when obtained by a speciation procedure (fractionation with an ionic column and application of specific software) than when obtained from concentrations of reactive Al (colorimetry with pyrocatechol violet) by a calculation that only considers simple hydroxylated species. Using the speciation method, many of the solutions obtained from surface horizons are unsaturated for most minerals, especially in granitic areas.
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- Copyright © The Mineralogical Society of Great Britain and Ireland 1992
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