GAO, Hong-Weng; ZHANG, Zhi-Wen. Primary-Secondary Wavelengths Spectrophotometric Determination of Fluoride in Environmental Water. Asian Journal of Chemistry, [S. l.], v. 12, n. 2, p. 453–457, 2012. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/22976. Acesso em: 3 oct. 2024.