SANGUTHAI, S.; KLAMTET, J. Preconcentration and Determination of Cadmium in Natural Water using Amberlite XAD-4/4-(2- Pyridylazo) Resorcinol Resin Prior to Flame Atomic Absorption Spectrometric Detection. Asian Health, Science and Technology Reports, [S. l.], v. 23, n. 2, p. 8–20, 2015. Disponível em: https://ph03.tci-thaijo.org/index.php/ahstr/article/view/1950. Acesso em: 11 oct. 2026.