牌 号 Code

Ce-2N

Ce-2N5

Ce-3N

稀土总量TRE              %

≥99

≥99

≥99

纯度与相关稀土杂质Purity and Relative Re-impurities

Ce                                 %

≥99

≥99.5

≥99.9

稀土杂质RE-impurities

≤1

≤0.5

≤0.1

非稀土杂质Non-RE-impurities

Fe                                 %

≤0.2

≤0.2

≤0.2

Mg                               %

≤0.02

≤0.02

≤0.02

Mo                               %

≤0.03

≤0.03

≤0.03

Si                                 %

≤0.04

≤0.04

≤0.04

Al                                %

≤0.04

≤0.04

≤0.04

C                                 %

≤0.03

≤0.03

≤0.03