Labib. A. Awin, Mahmoud. A. El-Rais, Tasniem. M. Abo Salem, Salwa. K. Almhidwi, Maryam.M. Alnaas, Ramadan.A. Hadoud, Salah. F. Alzarzah, Removal of Neutral Red from Aqueous solutions usingSr2CaBO5.5 (B= Nb+5& Ta+5), Journal of New Developments in Chemistry, Volume 3, Issue 3, 2022, Pages 32-39, ISSN 2377-2549, https://doi.org/10.14302/issn.2377-2549.jndc-21-3936. (https://www.oap-journals.net/new-developments-in-chemistry/article/removal-of-neutral-red-from-aqueous-solutions-usingsr2cabo5-5-b-nb-5-and-ta-5-1758) Abstract: Keywords: Removal; Neutral Red; Perovskite oxide; B- site Cation.