EXTRACTION OF LEAD (II) IONS USING DITHIZONE METHOD ON WASTEWATER OF KHONDZA. American Journal of Engineering , Mechanics and Architecture (2993-2637), [S. l.], v. 2, n. 4, p. 100–103, 2024. Disponível em: https://grnjournal.us/index.php/AJEMA/article/view/4338. Acesso em: 23 jan. 2026.