|
項目 |
Ce2(CO3)3-1 |
Ce2(CO3)3-2 |
Ce2(CO3)3-3 |
|
TREO % |
≥45.00 |
≥45.00 |
50±3 |
|
CeO2/TREO % |
≥99.9 |
≥99.99 |
≥99.99 |
|
La2O3/TREO % |
≤0.05 |
≤0.005 |
≤0.005 |
|
Pr6O11/TREO % |
≤0.02 |
≤0.002 |
≤0.002 |
|
Nd2O3/TREO % |
≤0.01 |
≤0.001 |
≤0.001 |
|
Sm2O3/TREO % |
≤0.01 |
≤0.001 |
≤0.001 |
|
Y2O3/TREO % |
≤0.01 |
≤0.001 |
≤0.0005 |
|
Fe2O3 % |
≤0.005 |
≤0.002 |
≤0.0005 |
|
CaO % |
≤0.02 |
≤0.01 |
≤0.0005 |
|
Na2O % |
≤0.01 |
≤0.01 |
≤0.0005 |
|
PbO % |
≤0.005 |
≤0.002 |
≤0.0005 |
|
SiO2 % |
≤0.02 |
≤0.005 |
≤0.0005 |
|
SO42- % |
≤0.02 |
≤ 0.01 |
≤0.0005 |
|
Cl- % |
≤0.05 |
≤ 0.02 |
≤0.0005 |
|
性 能：白色粉末不溶于水，溶于酸。 用 途：用于制造汽車尾氣催化劑，也是提取鈰和其他化合物的中間體。 |
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