JAMES WILLIAM ARIEND; ISMAIL MARZUKI. Analysis of the Role of Iron (Fe) Content on Nickel Distribution in Limonite and Saprolite Zones Using Energy Dispersive X-Ray Fluorescence (ED-XRF). Journal of Green Chemical and Environmental Engineering, [S. l.], v. 2, n. 2, p. 94–106, 2026. DOI: 10.63288/jgcee.v2i2.26. Disponível em: https://ejournal.candela.id/index.php/jgcee/article/view/159. Acesso em: 19 jul. 2026.