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稀土功能材料与特殊化合物Current location：Home > 稀土功能材料与特殊化合物

大粒度碳酸镧铈

产品介绍

大粒度碳酸镧铈

分子式：(LaCe)₂(CO₃)₃

外观：大粒度碳酸镧铈为白色粉末

用途：用于生产稀土抛光粉。

项目	规格		检测依据
牌号	(LaCe)₂(CO₃)₃-65CeB1	(LaCe)₂(CO₃)₃-65CeB2
TREO（wt%）	≥45.0	≥45.0
镧铈配分及稀土杂质（wt%）
La₂O₃/TREO	35±2	35±2	参照GB/T 18115.1
CeO₂ /TREO	65±2	65±2
Pr₆O₁₁ /TREO	≤0.01	≤0.005
Nd₂O₃/TREO	≤0.01	≤0.005
Sm₂O₃/TREO	≤0.0005	≤0.0002
Y₂O₃/TREO	≤0.0005	≤0.0002
非稀土杂质含量（wt%）
CaO	≤0.05	≤0.03	参照GB/T 16484
MgO	≤0.005	≤0.003
SO₄^2-	≤0.03	≤0.03
ZnO	≤0.001	≤0.001
Fe₂O₃	≤0.002	≤0.002
Cl^-	≤0.05	≤0.05
SiO₂	≤0.015	≤0.01
D50	≥30	≥30	参照GB/T 20170.1
说明：大粒度碳酸镧铈不溶于水，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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