اسماعيل عمار, and محمد معروف. “Determination of Iron (II) in Aqueous Solutions Using Organic Reagent 3-Hydroxy-4-[ (2-Hydroxy Benzylidene) Amino] Naphthalene-1- Sulphonic Acid by Spectrophotometric Method”. Latakia University Journal -Basic Sciences Series 46, no. 5 (February 12, 2025): 81–101. Accessed April 27, 2025. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/16385.