ELBAHI , Samia A. Effect of Water pH on the Efficiency of Eggshells in Removing Cr (VI) Ion from Water. Al-Mukhtar Journal of Sciences, Al Bayda, Libya, v. 37, n. 3, p. 309–315, 2022. DOI: 10.54172/mjsc.v37i3.838. Disponível em: https://omu.edu.ly/journals/index.php/mjsc/article/view/838. Acesso em: 8 may. 2024.