REO(%)
Rare earth impurity /REO(%)
Non-rare earth impurity(%)
La2O3
CeO2
Pr6O11
Nd2O3
Fe2O3
SO42-
CaO
Cl-
Ba
≥95
32-36
64-68
≤0.2
≤0.01
≤0.05
≤1.5
≤0.5
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