The effect of thermal treatment on the compositional structure of humic acids extracted from South African bituminous coal
| Autor: | Skhonde, M.P., Herod, A.A., van der Walt, T.J., Tsatsi, W.L., Mokoena, K. |
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| Zdroj: | In International Journal of Mineral Processing 2006 81(1):51-57 |
| Databáze: | ScienceDirect |
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