“DEVELOPMENT AN EFFICIENT AND SELECTIVE OF DETECTION METHOD OF Fe (III) ION WITH AN IMMOBILIZED NITROSO-R-SALT” (2025) Scientific journal of the Fergana State University, 30(6), p. 109. Available at: https://journal.fdu.uz/index.php/sjfsu/article/view/5471 (Accessed: 9 January 2026).