CHAN, K. Innovative school-level quantitative chemistry experimental technique (i): pH measurement by antimony electrode. African Journal of Chemical Education, [S. l.], v. 9, n. 3, p. 162–173, 2019. Disponível em: https://www.ajol.info/index.php/ajce/article/view/191420. Acesso em: 19 sep. 2026.