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Praseodymium Oxide Formula: Pr6O11
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Product: Praseodymium Oxide
Specification:Total Rare Earth Oxide TREO 99%
Relative Purity REO 99.5%
Color:Black Dark brown
Particle size:D5010 micron () D10050 micron ()
Packing: 50KGS per Bag,PVC bag for inner packing,weaving bag for outer packing.
Detail:
Name: Praseodymium Oxide
Other Name:
Formula:Pr6O11
Relative Molecular Weight:1021.44
CAS Number: 12037-29-5
EINECS Number: 234-857-9
Melting point: 2042C
Water solubility: Insoluble in water, moderately soluble in strong mineral acids
Density: 6.88 g/cm3
Application: Praseodymium Oxide, 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 's goggles, also as important additive of Praseodymium yellow pigments.
INFORMATION DETAILED
>Praseodymium Oxide Formula: Pr6O11
>CAS No.: 12037-29-5
>Molecular Weight: 1021.43
>Appearance: Brown powder
>Solubility: Insoluble in water, moderately soluble in strong mineral acids
>Stability: Slightly hygroscopic
Application:
>Praseodymium oxide can be used as a dielectric in combination with silicon
>Praseodymium-doped glass, called didymium glass, turns yellow and is used in welding goggles because it blocks infrared radiation.
>2500 tonnes of praseodymium(III) oxide are produced worldwide each yea.
>Praseodymium oxide is also used to color glass and ceramics yellow
>For coloring ceramics, also the very dark brown mixed-valence compound praseodymium(III,IV)oxide, Pr6O11, is used.
SPECIFICATION
| (Product Code) | Pr6O11-2 | Pr6O11-4 | Pr6O11-5 | ||
| TREO | 99.0 | 99.0 | 99.0 | ||
| Rr6O11/REO | 99.9 | 99.5 | 98.0 | ||
| RE impurities/REO (max) | La2O3 | 0.0050 | 0.0500 | 0.0500 | |
| CeO2 | 0.0100 | 0.0500 | 0.1000 | ||
| Nd2O3 | 0.0300 | 0. | 1.0000 | ||
| Sm2O3 | 0.0100 | 0.0200 | 0.0500 | ||
| Eu2O3 | 0.0100 | 0.0100 | 0.0100 | ||
| Gd2O3 | 0.0050 | 0.0100 | 0.0100 | ||
| Tb4O7 | 0.0050 | 0.0100 | 0.0100 | ||
| Dy2O3 | 0.0050 | 0.0100 | 0.0100 | ||
| Y2O3 | 0.0050 | 0.0100 | 0.0100 | ||
| Non-RE impurities (max) | Fe2O3 | 0.0020 | 0.0030 | 0.0050 | |
| CaO | 0.0030 | 0.0050 | 0.0100 | ||
| Cuo | 0.0010 | 0.0010 | 0.0010 | ||
| Nio | 0.0010 | 0.0010 | 0.0010 | ||
| Cl | 0.0500 | 0.1000 | 0. | ||
| (Loss)1000C%1h | 1.0 | 1.0 | 1.0 | ||






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