Vivianite and siderite in lateritic iron crust: an example of bioreduction
Lateritic iron crust (LIC) samples from Padauari (AM) were analysed by XRD, optical microscopy and SEM-EDS. The equilibrium of iron minerals (IM) was studied using Eh-pH diagram. It was shown that the minerals of the LIC are goethite (alpha-FeOOH), vivianite [Fe3(PO4)2.8H2O] and siderite (FeCO3). Ca...
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| Format: | Artigo |
| Sprache: | Inglês |
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Sociedade Brasileira de Química
2007-02-01
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| Schriftenreihe: | Química Nova |
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| Online-Zugang: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000100008 |
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