Mineral: |
Bentonite |
Reference: |
GXSTW09 |
Supplier: |
Jinchuan Bentonite Company, Jinchuan, Gansu, China |
Preparation: |
<63 µm fraction collected; dispersed in 0.1 NaCl solution (20 g/L); pH adjusted to 3.5 with HCl; shaking 48 h (carbonates removed); transformed in Na-form; <2 µm fract. collected; washed; dried at 45 °C |
CEC: |
62.3 ± 1.2 meq/100g |
Composition: |
main component of the purified Na-bentonite is Na-montmorillonite; major imputity is quartz |
Sample characterized via: |
☑ Scanning electron microscope (SEM)
☑ X-ray Diffraction (XRD)
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