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Clays and Clay Minerals; December 2005; v. 53; no. 6; p. 572-579; DOI: 10.1346/CCMN.2005.0530603
© Clay Minerals Society

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Figure 2. Change of HCl-extractable Fe(II) with time in the non- reduced control (NC), bioreduced smectite (BS), and aerobically inoculated smectite (AIS). The measured HCl-extractable Fe(II) concentration (mM) was normalized to milligrams of smectite in each tube, and reported as mmol/g. The extent of reduction by the end of incubation reached 18%, based on the measured Fe(III) concentration and the amount of smectite used in the tubes. The vertical errors are typically <10%.

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