CAS 7440-10-0
:Praseodímio
Descrição:
Praseodímio é um elemento químico com o símbolo Pr e número atômico 59, pertencente à série dos lantanídeos da tabela periódica. É um metal branco-prateado que é relativamente macio e maleável, exibindo um brilho intenso quando cortado recentemente. Praseodímio é conhecido por suas propriedades únicas, incluindo sua capacidade de formar uma variedade de estados de oxidação, principalmente +3 e +4, que contribuem ao seu comportamento químico diversificado. É moderadamente reativo, escurecendo no ar e reagindo com a água para formar hidróxido de Praseodímio. Este elemento é usado principalmente na produção de ímãs permanentes fortes, bem como em várias ligas e cerâmicas, particularmente nas indústrias de vidro e cerâmica, onde confere uma cor amarela. Além disso, compostos de Praseodímio são utilizados na produção de certos tipos de lasers e como catalisadores em várias reações químicas. Devido à sua abundância relativamente baixa na crosta terrestre, Praseodímio é tipicamente extraído de minerais como bastnasita e monazita.
Fórmula:Pr
InChI:InChI=1S/Pr
Chave InChI:InChIKey=PUDIUYLPXJFUGB-UHFFFAOYSA-N
SMILES:[Pr]
Sinónimos:- Praseodimio
- Praseodym
- Praseodyme
- Praseodymium-141
- praseodymium
- UNII-NKN7EZA750
- MeSH ID: D011221
- Praseodymium
Ordenar por
Pureza (%)
0
100
|
0
|
50
|
90
|
95
|
100
19 produtos.
Praseodymium powder, -40 mesh, 99.5% (REO)
CAS:<p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>Fórmula:PrPureza:99.5%Peso molecular:140.91Praseodymium foil, 0.1mm (0.004in) thick, 99% (REO)
CAS:<p>Praseodymium optical properties for use in amplification of telecommunication systems, including as a doping agent in fluoride fibers. It is also used in the scintillator for medical CAT scans. Used as additive for special steel, non-ferric alloy, hydrogen storage alloy, also reducer for making othe</p>Fórmula:PrPureza:99%Peso molecular:140.91Praseodymium powder, -200 mesh, 99.9% (REO)
CAS:<p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>Fórmula:PrPureza:99.9%Peso molecular:140.91Praseodymium foil, 0.62mm (0.024 in.) thick, 99.5% (REO)
CAS:<p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>Fórmula:PrPureza:99.5%Peso molecular:140.91Praseodymium foil, 0.25mm (0.01 in.) thick, 99.5% (REO)
CAS:<p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>Fórmula:PrPureza:99.5%Peso molecular:140.91Praseodymium ingot, 99% (REO)
CAS:<p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>Fórmula:PrPureza:99%Cor e Forma:Silver, IngotPeso molecular:140.91Praseodymium foil, 1.0mm (0.04in) thick, 99.5% (REO)
CAS:<p>Praseodymium is used as an alloying constituent for alloys used to make permanent magnets and flints. Along with neodymium, praseodymium is used to manufacture yellow glass which can be used as eye protection (e.g. for welders). This Thermo Scientific Chemicals brand product was originally part of t</p>Fórmula:PrPureza:99.5%Peso molecular:140.91Praseodymium rod, 6.35mm (0.25in) dia, 98.5% (metals basis excluding Ta)
CAS:<p>Form: Approx. 0.22g/mm, Cast rod, diameter is approximate</p>Fórmula:PrPureza:98.5%Cor e Forma:Rod, SilverPeso molecular:140.91Praseodymium rod, 12.7mm (0.5in) dia, 99.5% (metals basis excluding Ta)
CAS:<p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>Fórmula:PrPureza:99.5%Peso molecular:140.91Praseodymium powder (99.9% REO)
CAS:<p>Praseodymium powder (99.9% REO)</p>Fórmula:PrPureza:(99.9% REO)Cor e Forma:-40 mesh (under argon)Peso molecular:140.90Praseodymium chips (99.9% REO)
CAS:<p>Praseodymium chips (99.9% REO)</p>Fórmula:PrPureza:(99.9% REO)Cor e Forma:(packed in mineral oil)Peso molecular:140.90Praseodymium, powder -40 mesh
CAS:Praseodymium, powder -40 meshPureza:99.9%Cor e Forma:SolidPeso molecular:140.91g/molPraseodymium, powder 250 micron
CAS:Praseodymium, powder 250 micronPureza:99.9%Cor e Forma:SolidPeso molecular:140.91g/molPraseodymium Powder, 99.9%
CAS:Pureza:≥ 99.9% (as Pr/TREM)Cor e Forma:Grey to dark grey powderPeso molecular:PrPraseodymium ingot (99.9% REO)
CAS:<p>Praseodymium ingot (99.9% REO)</p>Fórmula:PrPureza:(99.9% REO)Cor e Forma:(packed in mineral oil)Peso molecular:140.90
