Research Article
Facile Preparation of Biocomposite from Prawn Shell Derived Chitosan and Kaolinite-Rich Locally Available Clay
Table 2
Elemental analysis of raw clay, purified clay, and modified clay.
| Elements | Raw clay (%) | Purified clay (%) | Modified clay (MC) (%) |
| Silicon (Si) | 69.9 | 76.4 | 77.0 | Aluminum (Al) | 14.5 | 10.8 | 10.8 | Potassium (K) | 3.72 | 4.04 | 4.16 | Titanium (Ti) | 4.03 | 3.77 | 3.65 | Iron (Fe) | 5.38 | 3.01 | 2.87 | Calcium (Ca) | 0.56 | 0.29 | 0.22 | Others | 2.05 | 1.74 | 1.72 |
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