CHOBTAM, K. . .; DECHAKIATKRAI, THEERAKARUNWONG, C. . . DEVELOPMENT OF A SIMPLE COLORIMETRIC SENSOR FOR THE DETECTION OF COPPER AND IRON METAL IONS . PSRU Journal of Science and Technology, Phitsanulok, Thailand, v. 7, n. 2, p. 14–29, 2022. Disponível em: https://ph01.tci-thaijo.org/index.php/Scipsru/article/view/247858. Acesso em: 7 may. 2024.