Uncertainty Estimation of the Fe Content Measurement in the Clean Water Using UV- Vis Spectrophotometer. Stannum : Jurnal Sains dan Terapan Kimia, [S. l.], v. 1, n. 1, p. 1–5, 2019. DOI: 10.33019/jstk.v1i1.1141. Disponível em: https://journal.ubb.ac.id/index.php/stannum/article/view/1141. Acesso em: 13 apr. 2026.