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praseodymium oxide
Character: black powder,
density 6.88 g/cm3,
melting point 2042 °C
Insoluble in water, soluble in acid generation trivalent salts. Conductivity good
1.Appearance:Black or brown rare earth oxide powder2.Formula:Pr6O113.Use:used as the raw material in making ceramic colorants,metal praseodymium ,as well as magnetic materials as Sm-Pr-Co,Pr-Fe-B,used to produce ceramic pigment, the praseodymium yellow as well as permanent magnet, petroleum catalytic cracking,ect.
RE-impurities(%) | Non-RE Impurities(%) |
La2O3 <0.010 CeO2 0.085 Nd2O3 0.045 Sm2O3 <0.0100 Eu2O3 <0.0100 Gd2O3 <0.0100 Tb4O7 <0.0100 Dy2O3 <0.0100 Ho2O3 <0.0100 Er2O3 <0.0100 Tm2O3 <0.0100 Yb2O3 <0.0100 Lu2O3 <0.0100 Y2O3 <0.0100 | Fe2O3 0.0035 Si02 0.0042 CaO 0.0186 Cl- 0.0050 Al2O3 0.0020 L.O.I <1.0 TERO ≥ 99.0% Pr6O11/REO > 99.5% |
Notes:1.JY Ultima Inteligent /ICP Sequential/Simultaneous
2.Atomic absorption spectrophotometer
praseodymium oxide
