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| Time (sec) | Barium concentration Mean ± SD (µg/L) (n = 3) |
| 15 | 62.0±1.9 |
| 30 | 67.9±4.1 |
| 60 | 71.8±1.9 |
After 1% of weight of MF-HT had been suspended in solutions containing 1,000 µg/L barium, the solutions were shaken at 300 rpm for the indicated time. Barium concentrations (means ± SD) in the supernatants after the solutions had been centrifuged are presented.
