A., A. F. N.; S., S. A.; H., A. B.; A., A. A.; L., W. H. Spectrophotometric Determination of Praseodymium by 1,4- Dihydroxyanthraquinone after its Selective Separation from Rosetta Monazite Rare Earth Concentrate by Solvent Extraction. The International Journal of Science & Technoledge, [S. l.], v. 4, n. 5, 2016. Disponível em: http://internationaljournalcorner.com/index.php/theijst/article/view/123851. Acesso em: 17 jul. 2024.