Asci B, Donmez O, Ozgur M. Simultaneous Determination of Colourant Mixtures Used in Pharmaceuticals by Derivative UV-Spectrophotometry. ajc [Internet]. 2010 Jun. 11 [cited 2024 Jul. 3];22(7):5672-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/31712