AHMED, M. F. A.; LINGAPPA, Y. SPECTROPHOTOMETRIC DETERMINATION OF SELENIUM IN WATER, SOIL SAMPLES USING 2­ACETYL­5­CHLORO THIOPHENE, PHENYLENEDIAMINE. International Journal of Chemistry Research, [S. l.], v. 2, n. 3, p. 46–48, 2011. Disponível em: https://www.ijcr.info/index.php/journal/article/view/46. Acesso em: 26 apr. 2025.