“THE SPECTROPHOTOMETRIC DETERMINATION OF THIOCYANATE WITH N,N,N’,N’-TETRAETHYLBENZIDINE”, Вісник: Хімія, vol. 51, no. 1, pp. 36–39, Nov. 2015, Accessed: Feb. 14, 2026. [Online]. Available: https://chemistry.bulletin.knu.ua/article/view/8523