钼蓝光度法测定高纯氧化铕、镧、钕、镝、铽、钪、钇中全硅

• DETERMINATION OF ALL SILICON IN HIGH-PURITY Eu_2O_3 ,La_2O_3 ,Nd_2O_3 ,Dy_2O_3 ,Tb_4O_7 ,Sc_2O_3 AND Y_2O_3 BY MOLYBDENUM BLUE SPECTROPHOTOMETRY