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. 2013 Jun 21;8(6):e66681. doi: 10.1371/journal.pone.0066681

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© 2013 Kato et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Well water samples (n = 8) from Jessore, Bangladesh with barium (range: 97.0–206.7 µg/L) not exceeding the value in WHO health-based guidelines and arsenic (range: 92.3–459.3 µg/L) exceeding the value in the guidelines were prepared. After 1% weight of MF-HT had been suspended in the well water samples, the MF-HT-suspended solutions were shaken at 300 rpm for 1 min. After the solutions had been centrifuged, barium (a and b) and arsenic (c and d) concentrations in the MF-HT-treated supernatants (MF-HT) were compared with those in untreated control water samples (Ctrl). **, Statistically different (p<0.01) from the control by the Mann-Whitney U test.