Firdiyono, F.; Handayani, M.; Sulistiyono, E.; Antoro, I. D. PERCOBAAN PENDAHULUAN PERBANDINGAN DAYA SERAP UNSUR MINOR DALAM LARUTAN NATRIUM SILIKAT[Preliminary Comparative Study on the Adsorption of Minor Elements in Sodium Silicate Solution]. Metalurgi 2012, 27, 15-26.