LI, JING-MEI, et al. “Spectrophotometric Determination of Iodine by Oxidation of Dibromo-P-Chloro-Arsenazo”. Asian Journal of Chemistry, vol. 22, no. 6, May 2010, pp. 4847-54, https://asianpubs.org/index.php/ajchem/article/view/16789.