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Table 1 Percentage of carbon, hydrogen, and nitrogen and the C/N ratio for the chitosan-silica composite

From: Synthesis and adsorption properties of chitosan-silica nanocomposite prepared by sol-gel method

Adsorbent C (%) H (%) N (%) C/N ratio Reference
Chitosan 40.72 7.25 7.33 5.55 [5]
Chitosan-silica composite 8.71 8.00 0.38 22.92 This article