Cerium Hydroxide
Cerium Hydroxide
Name: Cerium Hydroxide
Formula: Ce(OH)4
CAS No.: 12014-56-1
EINECS No.: 234-599-7
Mol. Wt.: 208.15
TREO:≥65%
Purity(CeO2/TREO): 99%-99.99% (2N to 4N)
Appearance: Yellow gelatinous precipitate
Solubility: soluble in acid, hardly soluble in water
Application:
Cerium Hydroxide is mainly
Used as glass decolorant and clarificant in the glass (color TV glass) industry.
Used for preparation of automobile tail gas purification catalyst, PVC plastic stabilizer, also used in the synthesis of naphthalene acid cerium for paint drying catalyst in the chemical industry.
Used as nodular cast iron nodulizer for smelting Ce-Si-Fe alloy, also can be used as raw material for smelting Ce-rich rare earth Si-Fe alloy in the metallurgical industry.
Used as additives in electroplating technology.
Specifications
Cerium Hydroxide Ce(OH)4 | ||||
Purity | 4N | 3N | 2N | |
REO % min. | 65-70 | 65-70 | 65-70 | |
CeO2/REO | 99.99 | 99.9 | 99 | |
Rare earth impurities % max. | La2O3 | 0.004 | 0.05 | 0.5 |
Pr6O11 | 0.003 | 0.01 | 0.1 | |
Nd2O3 | 0.003 | 0.01 | 0.1 | |
Sm2O3 | 0.001 | 0.01 | 0.01 | |
Y2O3 | 0.001 | 0.001 | 0.01 | |
Non rare earth impurities % max. | Fe2O3 | 0.003 | 0.005 | 0.01 |
SiO2 | 0.005 | 0.02 | 0.03 | |
CaO | 0.005 | 0.01 | 0.02 | |
CI- | 0.005 | 0.002 | 0.05 | |
SO42- | 0.005 | 0.01 | 0.02 | |
Water Solubility Test | clear | clear | clear | |
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