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Incubation of site 854 sediments with multiple acetate additions. The results are means of results from triplicate incubations. The error bars represent 1 standard deviation. Arrows in panel D indicate the readdition of acetate (Acet.). (A) Nitrate; (B) U(VI); (C) percent Fe(II) of total iron; (D) acetate; (E) sulfate.
