NEW OPTIMIZED LIQUID-LIQUID EXTRACTION METHOD FOR THE REMOVAL OF THALLIUM AS A MATRIX ELEMENT IN MINERALS . Geologica Macedonica, [S. l.], v. 38, n. 2, p. 85–95, 2024. Disponível em: https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/6988. Acesso em: 5 may. 2026.