alghurabi F .A.Wannas. Microamount determination and extraction of Mn(VII),Ni(II) as anion in different Vital and environmental samples with 2-[α-naphthol azo]-4,5-diphenl imidazole[α-NADPI]. QJPS [Internet]. 2017Jul.11 [cited 2024May2];19(1). Available from: https://journalsc.qu.edu.iq/index.php/JOPS/article/view/92