Analysis Of Hexavalent Chromium Metal Content Of River Water By Flame Atomic Absorption Spectrophotometer. Environmental Science Journal (esjo) : Jurnal Ilmu Lingkungan , [S. l.], v. 2, n. 2, p. 14–19, 2024. DOI: 10.31851/esjo.v2i2.15725. Disponível em: https://jurnal.univpgri-palembang.ac.id/index.php/esjo/article/view/15725. Acesso em: 17 jun. 2026.