Vu, N. T.; Nguyen, A. P.; Nguyen, H. S.; Pham, V. A.; Vu, D. T.; Le, Q. M. Composite Materials Based on Biochar from Coffee Husk Origin and Nano Zero-Valent Type Fe/Cu: Potential for Treatment of Water Sources Contaminated With As(V): Scientific Paper. J. Serb. Chem. Soc. 2026, 91, 195-212.