Jarosite dissolution I - Trace cation flux in acid sulfate soils
In order to determine trace metal release, dissolution experiments were conducted with a natural jarosite-group sample under a range of conditions relevant to acid sulfate soils. The reaction is incongruent with respect to the Fe3+-dominant octahedral cation layer and other elements that substitute for ferric iron. Transition metals that substitute into the octahedral site are almost entirely retained in the solid phase, although when Fe3+ becomes increasingly soluble, Cr3+ concentration also...[Show more]
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