Turabov Nurmukhammat, Todjiev Jamoliddi, Allanazarova Dilafruz. (2020). SPECTROPHOTOMETRIC DETERMINATION OF ZINC(II) AND COPPER(II) IONS. International Journal of Advanced Science and Technology, 29(05), 12383-12396. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/25836