牌 号(Code)
CCL-3N
CCL-3.5N
CCL-4N
稀土氧化物总量 TREO%
≥68.5
≥69
≥69.5
铈纯度与相关稀土杂质(Cerium purity and relative rare earth impurities)
CeO2/TREO %
≥99.9
≥99.95
≥99.99
La2O3/TREO %
≤0.05
≤0.04
≤0.004
Pr6O11/TREO %
≤0.01
≤0.003
≤0.002
Nd2O3/TREO %
≤0.005
Sm2O3/TREO %
≤0.001
≤0.0005
Y2O3/TREO %
非 稀 土 杂 质(Non rare earth impurity)
Fe2O3 %
SiO2 %
≤0.03
CaO %
≤0.02
PbO %
SO 2 4- %
说明:无色晶状结晶体,溶于水。
用途:用于制造石油化工催化剂,也可用来制造金属铈和铈的其它化合物。
Description: Colorless crystal like lump, soluble in water
Uses: Used to manufacture petrol-chem catalyst, also used to make into cerium metal and other compounds of cerium.
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