Pengaruh penambahan naoh padat pada proses mekanokimia terhadap hasil dekomposisi logam tanah jarang dari bijih monasit = Effect of addition of naoh solid in the process of mechanochemical decomposition of rare earth elements from monazite ore

Peningkatan kadar logam tanah jarang pada bijih monasit melalui proses mekanokimia dan pemanggangan = Upgrading rare earth elements content from monazite ore with mechanochemical and roasting process

Studi pengaruh variasi konsentrasi larutan naoh pada proses pelindian naoh yang diikuti pelindian hclo4 terhadap peningkatan kadar niobium, tantalum, dan logam tanah jarang dalam terak timah = The Study of effect concentration variable of naoh solution in naoh leaching followed by hclo4 leaching process to enhance grades of niobium tantalum and rare earth element in tin slag

Studi pengaruh penggunaan natrium hidroksida sebagai media pencelupan dan variasi konsentrasi larutan pelindi pada peningkatan kadar oksida unsur transisi dan oksida logam tanah jarang dari terak timah = The study of effect sodium hydroxide naoh as media quenching and variation chloride acid hcl concentration as leaching agent for increase grade oxide of transition elements and rare earth elements ree in tin slag

Pengaruh penambahan logam tanah jarang Lantanum dan Yttrium terhadap morfologi grafit pada besi tuang = effect of lanthanum (La) and Yttrium (Y) rare earth elements on graphite morphology of cast iron