S-MAJEED, Amal –; J-MOHAMMED, Hussein-. Determination of micro amount of Cobalt (II) by Using Antipyriyl azo pyrogallol. Journal of Kufa for Chemical Sciences, Kufa, Najaf, IRAQ, v. 1, n. 3, 2012. Disponível em: https://journal.uokufa.edu.iq/index.php/jkcs/article/view/3449. Acesso em: 22 jun. 2026.