Hashim Khudhair S, Hassan Guzar S. Flow Injection Spectrophotometric Measurement of Ni (II) Nickel Using a Novel Reagent, MTMTCH, in an Analytical Sample. PSIJk [Internet]. 2024 Sep. 30 [cited 2024 Dec. 14];1(3):11-6. Available from: https://mail.journals.uokerbala.edu.iq/index.php/psijk/article/view/1499