ABDELFATTAHN.A, SADEEKA.S,ALIB.H,ABDO,A.A,WEHEISH,H.L.A. Spectrophotometric Determination of Praseodymium by 1,4- Dihydroxyanthraquinone after its Selective Separation from Rosetta Monazite Rare Earth Concentrate by Solvent Extraction. Arab Journal for Sciences and Research Publishing, New Mexico, United States, v. 1, n. 2, p. 25–12, 2015. DOI: 10.26389/AJSRP.A27416. Disponível em: https://ajsrp.ojsexpert.com/index.php/ajsrp/article/view/1380. Acesso em: 20 dec. 2025.