碳酸鈰

項目	Ce₂(CO₃)₃-1	Ce₂(CO₃)₃-2	Ce₂(CO₃)₃-3
TREO %	≥45.00	≥45.00	50±3
CeO₂/TREO %	≥99.9	≥99.99	≥99.99
La₂O₃/TREO %	≤0.05	≤0.005	≤0.005
Pr₆O₁₁/TREO %	≤0.02	≤0.002	≤0.002
Nd₂O₃/TREO %	≤0.01	≤0.001	≤0.001
Sm₂O₃/TREO %	≤0.01	≤0.001	≤0.001
Y₂O₃/TREO %	≤0.01	≤0.001	≤0.0005
Fe₂O₃%	≤0.005	≤0.002	≤0.0005
CaO %	≤0.02	≤0.01	≤0.0005
Na₂O %	≤0.01	≤0.01	≤0.0005
PbO %	≤0.005	≤0.002	≤0.0005
SiO₂%	≤0.02	≤0.005	≤0.0005
SO₄^2-%	≤0.02	≤ 0.01	≤0.0005
Cl^-%	≤0.05	≤ 0.02	≤0.0005
性能：白色粉末不溶于水，溶于酸。用途：用于制造汽車尾氣催化劑，也是提取鈰和其他化合物的中間體。

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