Spectrophotometric determination of Zinc(II) in solutions samples using 1-azobenzene-3-(3-hydroxyl-2-pyridyl)-triazene in the Surkhandarya region. AJEMA. 2023;1(10):16-20. Accessed January 17, 2026. https://grnjournal.us/index.php/AJEMA/article/view/1764