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. 2004 Sep;70(9):5688–5691. doi: 10.1128/AEM.70.9.5688-5691.2004

FIG. 2.

FIG. 2.

Inhibitory effects of As(III) on the methanogenic activity of an anaerobic consortium in bioassays inoculated with various anaerobic consortia: Eerbeek sludge (•), Nedalco sludge (○), and ADSS (▵). The maximum concentration of 4-hydroxy-3-arsanilic acid tested was limited by the aqueous solubility of the compound. Data are means of results from three replicated culture flasks. Error bars indicate standard errors of the means.