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Pr ( Praseodymium )


      Praseodymium reacts rapidly with water and slowly with oxygen to give a green oxide coating. It is stored under paraffin or sealed in plastic.

Nama lain (trademark, branding etc.)

Praseodymium, Praseodym, Praseodimij, Praséodyme, Praseodym - r, Praseodimio, Празеодим, 

Spesifikasi Produk

Overview of Praseodymium Atomic Number 59 Period 6 Series:  Lanthanides Relative Atomic Mass (12C=12.000)  140.91 Boiling Point 3785K 3512°C 6354°F Melting Point 1204K 931°C 1708°F Density/kg m-3  6773 (293K) Ground State Electron Configuration  [Xe]4f36s2 Electron Affinity(M-M-)/kJ mol-1  -50 Discovery Year 1885 Name Origin Greek: prasios (green) and didymos (twin); from its green salts.


      Praseodymium comprises 5% of the alloy mischmetall, which is used in making products such as cigarette lighters. Along with other lanthanide elements it is used in carbon arcs for studio lighting and projection. Praseodymium is also a component of didymium glass, used by welders and glassmakers, because it filters out the yellow light present in glass blowing. Salts of this element are used to colour glasses and enamels an intense and unusually clean yellow.

Bahan Baku

Praseodymium is a chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is too reactive to be found in native form, and when artificially prepared, it slowly develops a green oxide coating.

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    Praseodymium, just 4% of the Lanthanide content of Bastnasite, is a common coloring pigment. Along with Neodymium, Praseodymium is used to filter certain wavelengths of light. Praseodymium is used in photographic filters, airport signal lenses, and welder’s glasses. Its color allows production of various pigments used in coloring products such as ceramic tile and glass. Vibrant yellow ceramic tiles and glasses most likely contain Praseodymium and certain premium quality mirrors and lenses also depend on Praseodymium.
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