金属钕 Neodymium Metal ------------------------------------------------------- 牌号(code) Nd-1 Nd-2 Nd-3 ------------------------------------------------------- TREM%不小于MIN 99.0 99.0 99.0 ND/TREM%不小于MIN 99.9 99.9 99.9 稀土杂质含量%不大于RE-Impurities%MAX La/TRE 0.01 0.02 0.02 Ce/TRE 0.02 0.03 0.03 Pr/TRE 0.05 0.4 0.4 Sm/ TRE 0.05 0.03 0.03 Y/ TRE 0.01 0.02 0.02 非稀土杂质含量%不大于Non-RE-Impurities%MAX Fe 0.2 0.2 0.2 Mg 0.01 0.01 0.03 Ca 0.01 0.01 0.01 Si 0.03 0.03 0.05 Al 0.03 0.03 0.05 W 0.02 0.03 0.05 Mo 0.05 0.05 0.05 Ti 0.01 |