Ahmed, A.M., Mervette El Batouti, Mona A. Darweesh, and Said M. Said. “Reduction of Hexavalent Chromium by Ferrous Ions to Trivalent Chromium in Presence of Organic Acid Additives”. Asian Journal of Chemistry 27, no. 11 (July 16, 2015): 3998–4006. Accessed July 6, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_11_15.