PAUL, B. K. A Discussion on the Nonexistence of Negative pH and pH > 14. Fine Chemical Engineering, [S. l.], v. 5, n. 1, p. 88–96, 2024. DOI: 10.37256/fce.5120243897. Disponível em: https://ojs.wiserpub.com/index.php/FCE/article/view/3897. Acesso em: 16 may. 2024.