ZALOV, Ali Z.. Complex Formation and Liquid-Liquid Extraction in the Niobium(V) – 2,4-Dihydroxythiophenol– Hydrophobic Amines System. Pakistan Journal of Analytical & Environmental Chemistry, [S.l.], v. 16, n. 2, p. 9, june 2015. ISSN 2221-5255. Available at: <http://pjaec.pk/index.php/pjaec/article/view/100>. Date accessed: 20 may 2024.