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小粒度氧化镧

产品介绍

小粒度氧化镧

分子式：La₂O₃

外观：小粒度氧化镧为白色粉末。

用途：用于三元催化剂，玻璃、陶瓷、电子工业用等,用于制造精密光学玻璃、光导纤维。也用于电子工业作陶瓷电容器，压电陶瓷掺入剂。还用作制硼化镧的原料，石油分离精制催化剂。

项目	规格			检测依据
牌号	La₂O₃-3N5A	La₂O₃-4NA	La₂O₃-4N5A
TREO（wt%）	≥98.0	≥98.0	≥98.0
稀土相对纯度（wt%）
La₂O₃/TREO	≥99.95	≥99.995	≥99.999	参照GB/T 18115.1
CeO₂/TREO	≤0.01	≤0.003	≤0.0005
Pr₆O₁₁/TREO	≤0.01	≤0.0005	≤0.0002
Nd₂O₃/TREO	≤0.01	≤0.0005	≤0.0002
Sm₂O₃/TREO	≤0.0005	≤0.0002	≤0.00002
Y₂O₃/TREO	≤0.0005	≤0.0002	≤0.00002
非稀土杂质含量（wt%）
Fe₂O₃	≤0.01	≤0.005	≤0.005	参照GB/T 12690
CaO	≤0.10	≤0.08	≤0.05
Cl^-	≤0.10	≤0.05	≤0.05
SiO₂	≤0.015	≤0.01	≤0.01
灼减L.O.I.	＜1.0	＜1.0	＜1.0
MgO	≤0.01	≤0.005	≤0.005
ZnO	≤0.003	≤0.003	≤0.003
PbO	≤0.005	≤0.003	≤0.003
D50	1.0±0.2	1.0±0.2	1.0±0.2	GB/T 20170.1
D100	<7	<7	<7	GB/T 20170.1
说明：小粒度氧化镧不溶于水，溶于酸。包装：本产品通常包装为25kg或50kg真空包装，也可以按用户要求包装。

The last one：大粒度碳酸镧铈 Next：白色氧化铈

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