Praseodymium oxide (Pr6O11)
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Praseodymium oxide (Pr6O11)
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CAS No:
12037-29-5
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Formula:
O11Pr6
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Chemical Name:
Praseodymium oxide (Pr6O11)
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Synonyms:
Praseodymium oxide (Pr6O11);Hexapraseodymium undecaoxide;Praseodymium oxide (Pr12O22);Praseodymium undecaoxide;4451RE;1257527-99-3;1632411-85-8;2222844-19-9;2632964-52-2
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CAS No:
Characteristics
11 Ų
-0.35640
Dark green to dark brown or black nanopowder
6.5g/mLat 25°C(lit.)
2500°C
H2O: insoluble
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safety Information
NONH for all modes of transport
1
36/37/38
26-37/39
TU1480000
Xi
Stable under normal temperatures and pressures. Substance readily absorbs carbon dioxide from air.
P261-P305 + P351 + P338
H315-H319-H335
Praseodymium oxide (Pr6O11) Use and Manufacturing
Extraction method: Jujulite concentrate is leached by alkali dissolution, phosphorus removal and dilute hydrochloric acid to obtain rare earth chloride solution, which is extracted with P2O4-kerosene-HCl-ReCl system. The rare earth mixture can be divided into light, medium and heavy rare earth groups. The light rare earth in the ra-Nd group of raffinate (containing medium rare earth Sm2O3<1%), according to the order of oxalate precipitation: samarium, neodymium, praseodymium, cerium, lanthanum, to separate them. The oxalate can be precipitated to form a soluble complex and then precipitated to separate it. After drying, it is burned at 1000°C to obtain praseodymium oxide. Its 3Pr2(C2O4)3→Pr6O11+7CO2+11CO
Glass and ceramic pigment, laboratory reagent. This compound is a yellow powder used to color glass and ceramics.
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