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碳酸铈

产品介绍

碳酸铈

分子式：Ce₂(CO₃)₃

外观：碳酸铈为白色粉末。

用途：用于制造汽车尾气净化剂，也是制造金属铈、氧化铈和其它铈化合物的中间体。

项目	规格				检测依据
牌号	Ce₂(CO₃)₃-3N5B	Ce₂(CO₃)₃-4NB	Ce₂(CO₃)₃-4N5B	Ce₂(CO₃)₃-5NB
TREO（wt%）	45～50	45～50	45～50	45～50
稀土相对纯度（wt%）
La₂O₃/TREO	≤0.01	≤0.005	≤0.003	≤0.0004	GB/T 18115.2
CeO₂/TREO	≥99.95	≥99.99	≤99.995	≥99.999
Pr₆O₁₁/TREO	≤0.01	≤0.002	≤0.001	≤0.0002
Nd₂O₃/TREO	≤0.01	≤0.002	≤0.001	≤0.0002
Sm₂O₃/TREO	≤0.001	≤0.0005	≤0.0002	≤0.0001
Y₂O₃/TREO	≤0.001	≤0.0005	≤0.0002	≤0.0001
非稀土杂质含量（wt%）
Fe₂O₃	≤0.002	≤0.0015	≤0.001	≤0.001	参照GB/T 12690
CaO	≤0.01	≤0.005	≤0.003	≤0.003
MgO	≤0.002	≤0.001	≤0.0005	≤0.0005
SiO₂	≤0.01	≤0.005	≤0.003	≤0.003
ZnO	≤0.001	≤0.0005	≤0.0005	≤0.0005
Na₂O	≤0.005	≤0.002	≤0.002	≤0.002
BaO	≤0.005	≤0.003	≤0.002	≤0.002
PbO	≤0.005	≤0.003	≤0.002	≤0.002
SO₄^2-	≤0.03	≤0.03	≤0.03	≤0.03
NO₃^-	≤0.5	≤0.5	≤0.5	≤0.5
Cl^-	≤0.01	≤0.005	≤0.005	≤0.005
说明：碳酸铈不溶于水，溶于酸。包装：本产品通常包装为50kg或1000kg，也可以按用户要求包装。包装物为编织袋内衬塑袋。

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