Code

规格

TREM

（ %）

Sm/RE

（ %）

RE Impurities Content (%/TREM)

稀土杂质含量

Non-RE Impurities Content (%/TREM)

非稀土杂质含量

La+Ce+Pr+Nd+Eu+Gd+Y

Mg

Al

Si

Ca

Fe

Cl

C

O

4N-Sm

≥ 99.5

≥ 99.99

≤ 0.01

≤ 0.005

≤ 0.005

≤ 0.005

≤ 0.01

≤ 0.005

≤ 0.02

≤ 0.01

≤ 0.05

4N-Sm

≥ 99.5

≥ 99.9

≤ 0.10

≤ 0.005

≤ 0.005

≤ 0.005

≤ 0.01

≤ 0.005

≤ 0.03

≤ 0.01

≤ 0.05