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Assessment of isotopically exchangeable Al in soil materials using Al-26 tracer

Kleja, D; Standring, W; Oughton, D; Gustafsson, J P; Fifield, L Keith; Fraser, A


The solubility of aluminium (Al) in many acidic soils is controlled by complexation reactions with soil organic matter. In such soils, Al solubility is theoretically a function of the pool size of "active" Al, i.e., the total amount of Al that equilibrates with the soil solution within a defined period of time. To date, no reliable measurements of "active" Al in soil materials exist. In this study, we determined the isotopically exchangeable pool of Al (EAl) as an operationally defined...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2005.06.010


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