Sancho JP, Fernández B, Ayala J, García MP, Lavandeira A. Uses of the potassium permanganate to eliminate copper cyanide from waste water resulting from a lixiviation plant in a gold mine (I). Rev. metal. [Internet]. 2009Dec.30 [cited 2024Apr.19];45(6):415-23. Available from: https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/371