Spectrophotometric Determination of Zn(II) in Pharmaceuticals Using (Di Amino di Hydroxy Pyrimidine) as Complexing Agent: A novel spectrophotometric method for the determination of Zn(II) in pharmaceuticals using a chelating agent. (2018). Journal of Advances and Scholarly Researches in Allied Education, 15(11), 429-434. https://ignited.in/index.php/jasrae/article/view/9082