CAS 7440-10-0
:Praséodyme
Description :
Praséodyme est un élément chimique avec le symbole Pr et le numéro atomique 59, appartenant à la série des lanthanides du tableau périodique. C'est un métal blanc argenté qui est relativement mou et malléable, exhibant un éclat brillant lorsqu'il est fraîchement coupé. Praséodyme est connu pour ses propriétés uniques, y compris sa capacité à former une variété d'états d'oxydation, principalement +3 et +4, qui contribuent à son comportement chimique diversifié. Il est modérément réactif, ternissant à l'air et réagissant avec l'eau pour former de l'hydroxyde de Praséodyme. Cet élément est principalement utilisé dans la production d'aimants permanents puissants, ainsi que dans diverses alliages et céramiques, en particulier dans les industries du verre et de la céramique où il confère une couleur jaune. De plus, les composés de Praséodyme sont utilisés dans la production de certains types de lasers et comme catalyseurs dans diverses réactions chimiques. En raison de sa relative rareté dans la croûte terrestre, Praséodyme est généralement extrait de minéraux tels que la bastnasite et la monazite.
Formule :Pr
InChI :InChI=1S/Pr
Code InChI :InChIKey=PUDIUYLPXJFUGB-UHFFFAOYSA-N
SMILES :[Pr]
Synonymes :- Praseodimio
- Praseodym
- Praseodyme
- Praseodymium-141
- praseodymium
- UNII-NKN7EZA750
- MeSH ID: D011221
- Praseodymium
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19 produits concernés.
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>Formule :PrDegré de pureté :99.5%Masse moléculaire :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>Formule :PrDegré de pureté :99%Masse moléculaire :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>Formule :PrDegré de pureté :99.9%Masse moléculaire :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>Formule :PrDegré de pureté :99.5%Masse moléculaire :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>Formule :PrDegré de pureté :99.5%Masse moléculaire :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>Formule :PrDegré de pureté :99%Couleur et forme :Silver, IngotMasse moléculaire :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>Formule :PrDegré de pureté :99.5%Masse moléculaire :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>Formule :PrDegré de pureté :98.5%Couleur et forme :Rod, SilverMasse moléculaire :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>Formule :PrDegré de pureté :99.5%Masse moléculaire :140.91Praseodymium powder (99.9% REO)
CAS :<p>Praseodymium powder (99.9% REO)</p>Formule :PrDegré de pureté :(99.9% REO)Couleur et forme :-40 mesh (under argon)Masse moléculaire :140.90Praseodymium chips (99.9% REO)
CAS :<p>Praseodymium chips (99.9% REO)</p>Formule :PrDegré de pureté :(99.9% REO)Couleur et forme :(packed in mineral oil)Masse moléculaire :140.90Praseodymium, powder -40 mesh
CAS :Praseodymium, powder -40 meshDegré de pureté :99.9%Couleur et forme :SolidMasse moléculaire :140.91g/molPraseodymium, powder 250 micron
CAS :Praseodymium, powder 250 micronDegré de pureté :99.9%Couleur et forme :SolidMasse moléculaire :140.91g/molPraseodymium Powder, 99.9%
CAS :Degré de pureté :≥ 99.9% (as Pr/TREM)Couleur et forme :Grey to dark grey powderMasse moléculaire :PrPraseodymium ingot (99.9% REO)
CAS :<p>Praseodymium ingot (99.9% REO)</p>Formule :PrDegré de pureté :(99.9% REO)Couleur et forme :(packed in mineral oil)Masse moléculaire :140.90
