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Praseodymium Oxide
Praseodymium oxide may refer to: * Praseodymium(III) oxide (dipraseodymium trioxide), Pr2O3 * Praseodymium(IV) oxide (praseodymium dioxide), PrO2 * Praseodymium(III,IV) oxide, Pr6O11 {{Chemistry index ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Praseodymium(III) Oxide
Praseodymium(III) oxide, praseodymium oxide or praseodymia is the chemical compound composed of praseodymium and oxygen with the formula Pr2O3. It forms light green hexagonal crystals. Praseodymium(III) oxide crystallizes in the manganese(III) oxide or bixbyite structure. Uses Praseodymium(III) 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 Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around ... radiation. Praseodymium(III) 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. References {{DEFAULTSORT:Praseodymium(Iii) Oxide Praseo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Praseodymium(IV) Oxide
Praseodymium(IV) oxide is an inorganic compound with chemical formula PrO2. Production Praseodymium(IV) oxide can be produced by boiling Pr6O11 in water or acetic acid Acetic acid , systematically named ethanoic acid , is an acidic, colourless liquid and organic compound with the chemical formula (also written as , , or ). Vinegar is at least 4% acetic acid by volume, making acetic acid the main component ...: : Pr6O11 + 3 H2O → 4 PrO2 + 2 Pr(OH)3 Chemical reactions Praseodymium(IV) oxide starts to decompose at 320~360 °C, liberating oxygen. References {{Oxides Praseodymium compounds Oxides ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |