A Flow-Injection Method for the Determination of the Total Iron using 3,4-Dihydroxybenzaldehyde. Journal of Zankoy Sulaimani - Part A, [S. l.], v. 2, n. 1, p. 40–49, 1999. DOI: 10.17656/jzs.10027. Disponível em: https://jzs.univsul.edu.iq/index.php/jzs/article/view/jzs-10027.. Acesso em: 2 mar. 2024.