Formula: Pr6O11
CAS No.: 12037-29-5
Molecular Weight: 1021.43
Density: 6.5 g/cm3
Melting point: 2183 °CAppearance: Brown powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Multilingual: PraseodymiumOxid, Oxyde De Praseodymium, Oxido Del Praseodymium
Praseodymium Oxide, also called Praseodymia, used to colour glasses and enamels; when mixed with certain other materials, Praseodymium produces an intense clean yellow colour in glass. Component of didymium glass which is a colourant for welder’s goggles, also as important additive of Praseodymium yellow pigments. Praseodymium Oxide in solid solution with ceria, or with ceria-zirconia, have been used as oxidation catalysts. It can be used to create high-power magnets notable for their strength and durability.
Test Item
|
Standard
|
Results
|
Pr6O11/TREO (% min.)
|
99.9%
|
>99.9%
|
TREO (% min.)
|
99%
|
99.5%
|
RE Impurities (%/TREO)
|
||
La2O3
|
≤0.01%
|
0.003%
|
CeO2
|
≤0.03%
|
0.01%
|
Nd2O3
|
≤0.04%
|
0.015%
|
Sm2O3
|
≤0.01%
|
0.003%
|
Y2O3
|
≤0.005%
|
0.002%
|
Other Re Impurity
|
≤0.005%
|
<0.005%
|
Non—RE Impurities (%)
|
||
SO4
|
≤0.03%
|
0.01%
|
Fe2O3
|
≤0.005%
|
0.001%
|
SiO2
|
≤0.01%
|
0.003%
|
Cl—
|
≤0.03%
|
0.01%
|
CaO
|
≤0.03%
|
0.008%
|
Al2O3
|
≤0.01%
|
0.005%
|
Na2O
|
≤0.03%
|
0.006%
|
L.O.I
|
≤0.1%
|
0.36
|
Package
|
Comply with above standard
|
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Store the container tightly closed in a dry, cool and well-ventilated place.