OBIYENWA, Gabriel Kehinde; ABUBAKAR, Tenimu Adogah; PAM, Aloysius Akaangee. Soluble Anionic Porphyrin for Detecting Hg(II), Cd(II), Pb(II), Cu(II), Fe(III), and Zn(II) Ions by Fluorescence and UV-Visible Spectral Studies. International Journal Of Research And Technopreneurial Innovations, Nigeria, v. 3, n. 2, p. 1–20, 2026. DOI: 10.60787/ijrti.vol3no2.91. Disponível em: https://ijrti.com.ng/index.php/home/article/view/91. Acesso em: 5 nov. 2026.