PhysicoChemical Characterization of Akoko Mined Kaolin Clay
The CEC of kaolinite minerals range from about 3 15 meq/100 g [18] [19], the low values are probably representative of pure kaolinite and the increase could be due to impurities and pore sizes. Thair and Ollisarapao suggested CEC of 110meq/100 also for pure Kaolin [20]. Thus, the calculated CEC of kaolin clay from this
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