S. Thunoon E, H. Shekho N. Improved Spectrophotometric Determination of Bismuth (III) with Bromopyrogallol Red in Mixed Surfactants-Application to Waters and Veterinary Preparation. RSCI [Internet]. 2013 Mar. 1 [cited 2025 Sep. 28];24(3):39-52. Available from: https://jwups.uomosul.edu.iq/index.php/rsci/article/view/46949