Removal of lead (Pb) in water samples from the Tumbes river using an adsorbent material based on ignimbrite. Manglar, [S. l.], v. 21, n. 3, p. 313–320, 2024. DOI: 10.57188/manglar.2024.034. Disponível em: https://revistas.untumbes.edu.pe/index.php/manglar/article/view/511. Acesso em: 28 oct. 2024.