Spectrophotometric Determination of Praseodymium by 1,4- Dihydroxyanthraquinone after its Selective Separation from Rosetta Monazite Rare Earth Concentrate by Solvent Extraction. Arab Journal of Sciences and Research Publishing , [S. l.], v. 1, n. 2, p. 25–12, 2015. DOI: 10.26389/AJSRP.A27416. Disponível em: https://journals.ajsrp.com/index.php/ajsrp/article/view/1380.. Acesso em: 18 may. 2024.