牌 号(Code)
CC-4N
CC-4.5N
稀土氧化物总量TREO %
50±2
铈纯度与相关稀土杂质(Cerium purity and relative rare earth impurities)
CeO2/TREO %
≥99.99
≥99.995
La2O3/TREO %
≤0.004
≤0.003
Pr6O11/TREO %
≤0.002
Nd2O3/TREO %
≤0.001
Sm2O3/TREO %
Y2O3/TREO %
非稀土杂质(Non rare earth impurity)
Fe2O3 %
≤0.0001
SiO2 %
≤0.0005
CaO %
MnO2 %
Na2O %
PbO %
Cl- %
SO 2 4- %
说明:白色粉末不溶于水,溶于酸。
用途:用于制造汽车尾气净化催化剂,也是制取铈和其他化合物的中间体。
Description: White powder, insoluble in water, Soluble in acids.
Uses: Used in making Catalyst for cleaning automotive exhaust gas and also can be made into cerium metal, cerium oxide and other compounds of cerium.
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