Validation and Uncertainty Evaluation of an Atomic Absorption Spectrophotometric Method for Iron Determination in Fertiliser Samples. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 6, p. 318–330, 2026. DOI: 10.66021/. Disponível em: https://amresearchjournal.com/index.php/Journal/article/view/2246. Acesso em: 29 sep. 2026.