WAHAB, Nurhikmah; OCTAVIA, Rizka; RAMLI, Irawati; SYAPUTRA, Irfan. PENGUJIAN UNSUR LOGAM Co, OKSIDA MgO DAN Al2O3 PADA JENIS TANAH LIMONITE DENGAN MENGGUNAKAN METODE X-RAY FLOURESCENCE (XRF). Jurnal Ilmiah Teknik Kimia, [S. l.], v. 9, n. 1, p. 14–21, 2025. DOI: 10.32493/jitk.v9i1.44851. Disponível em: https://openjournal.unpam.ac.id/index.php/JITK/article/view/44851. Acesso em: 3 feb. 2026.