A.Wanns Alghurabi, F., & K. Jwad, S. (2019). Separation, preconcentration, extraction and spectrophotometric determination of Mn(VII) from Acidic Aqueous medium. Al-Qadisiyah Journal of Pure Science, 24(1), 31 - 36. https://doi.org/10.29350/jops.2019.24.1.928