MARIADI, P. D.; SEBAYANG, R. Removal lead (Pb) and mercury (Hg) from juaro fish (Pangasius polyuranodon) using citric acid from pineapple extract (Ananas comosus) as chelating agent. Science and Technology Indonesia, [S. l.], v. 2, n. 4, p. 89–91, 2017. DOI: 10.26554/sti.2017.2.4.89-91. Disponível em: https://www.sciencetechindonesia.com/index.php/jsti/article/view/42. Acesso em: 19 apr. 2026.