Zhang, J.W., and L.L. Fan. “Removal of Fe3+ in Citric Acid With Macroporous Amidoxime Chelating Resin”. Asian Journal of Chemistry 26, no. 4 (February 15, 2014): 1122–1126. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_5_39.