Silica extracts from fly ash modified via sol-gel methods and functionalized with CMPO for potential scavenging of rare earth elements La³⁺ and Ce³⁺

1. Gómez, M.
2. Pizarro, J.
3. Díaz, C.
4. Ortiz, C.
5. Castillo, X.
6. Navlani-García, M.
7. Cazorla-Amorós, D.