Performance Test of Residu Powder Distillation from Fermentation Result Cocoa Fruits (Theobroma Cacao L.) as Adsorbent For Metal Ions (Cr3+, Fe3+, Pb2+). International Journal of Science Technology and health, [S. l.], v. 2, n. 1, p. 8–14, 2025. DOI: 10.63441/ijsth.v2i1.6. Disponível em: https://jurnal.istekaisyiyah.id/index.php/ijsth/article/view/6. Acesso em: 2 oct. 2025.