Assertion: arsenic | /r/HasProperty | hosted in iron oxyhydroxides/oxides
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Source sentences:
text: In arsenic-contaminated Cenozoic aquifers, arsenic is hosted mainly in iron oxyhydroxides/oxides, especially goethite, which is a weakly crystallized product from ferrihydrite (amorphous iron hydroxides) via chemical weathering of iron-bearing minerals.