et.al SMA. Synthesis and Characterization Chromogenic Reagent and Its Spectrophotometric Determination of Cu (Π). QJPS [Internet]. 2017Jul.15 [cited 2026Jan.18];19(1):60-6. Available from: https://www.journalsc.qu.edu.iq.51-77-64-103.cpanel.site/index.php/JOPS/article/view/120