Determination of the manganese ion concentrations in the flowers of some plants using a continuous flow injection system and hydrogen peroxide as an oxidizer. Journal of the College of Basic Education, [S. l.], v. 28, n. 115, p. 30–36, 2022. DOI: 10.35950/cbej.v28i115.5796. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5796.. Acesso em: 22 jul. 2024.