Evaluation of reuse water at the Pinheiros Subway Station in the city of São Paulo (Brazil) regarding the presence of metals using X-ray fluorescence technique with syncrotron radiation. International Seven Journal of Multidisciplinary, [S. l.], v. 2, n. 4, p. 792–808, 2023. DOI: 10.56238/isevmjv2n4-020. Disponível em: https://sevenpubl.com.br/ISJM/article/view/2565. Acesso em: 21 aug. 2025.