Cerium (IV) hydroxide
- Số CAS
- 12014-56-1
- Khối lượng phân tử
- 208.15
- Công thức phân tử / ký hiệu hóa học
- Ce(OH)4.xH2O
Mô tả
Appearance：light yellow or brown color powder
Solubility:insoluble in water and weak acid, soluble in concentrated acid
ỨNG DỤNG
Catalyst;
Electronics;
Glass;
Water treatment
Keyword:Nanometer materials;Catalyst;Electronic chemicals
Phiếu kiểm nghiệm
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Product name |
Cerium (IV) hydroxide |
CAS: 12014-56-1 |
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Appearance |
Light yellow or brown color powder |
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Chemical formula |
Ce(OH)4 |
purity:99% |
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Test items(%) |
Test result |
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mark |
Ce(OH)4-2.5N-2 |
Ce(OH)4-2.5N-1 |
Ce(OH)4-3N |
Ce(OH)4-3.5N-1 |
analytical instrument |
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TREO(wt%) |
55.0～70.0 |
55.0～70.0 |
55.0～70.0 |
55.0～70.0 |
- |
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Rare earth relative purity(wt%) |
La2O3/TREO |
≤0.30 |
≤0.30 |
≤0.05 |
≤0.01 |
ICPspectrograph |
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CeO2/TREO |
≥99.5 |
≥99.5 |
≥99.9 |
≥99.95 |
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Pr6O11/TREO |
≤0.04 |
≤0.04 |
≤0.02 |
≤0.005 |
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Nd2O3/TREO |
≤0.04 |
≤0.04 |
≤0.02 |
≤0.005 |
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Sm2O3/TREO |
≤0.03 |
≤0.03 |
≤0.005 |
≤0.005 |
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Y2O3/TREO |
≤0.01 |
≤0.01 |
≤0.001 |
≤0.001 |
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Not rare earth impurity content(wt%) |
Fe2O3 |
≤0.005 |
≤0.003 |
≤0.003 |
≤0.002 |
Atomic absorption spectrophotometer |
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CaO |
≤0.015 |
≤0.015 |
≤0.015 |
≤0.010 |
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SO42- |
≤0.015 |
≤0.010 |
≤0.015 |
≤0.010 |
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