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Europium

Dit artikel is gesjreve (of begós) in 't Mofers. Laes hie wie v'r mit de versjillende saorte Limburgs ómgaon.


Europium.

Europium is e sjemisch element mit es symboeal Eu en 't atoeamnómmer 63. 't Is e zilverwit lanthanied.

Toepassinge

[bewirk | brón bewèrke]

Metallisch europium is veur industrieel toepassinge vriewaal ónbroekbaart. Verbinjinge van europium zeen waal veur mieëder doelènj inzatbaar:

  • Europiumoxied wuuertj gebroek óm fosfors te aktivere in tilleviezes;
  • Sómmige plestieks kónne waere veurzeen van europium óm es lasermatterjaal te waere gebroek;
  • In legeringe wuuertj europium gebroek veure eigesjappe van anger metale te verbaetere;
  • 'n Europium(III)complex wuuertj gebroek es luminescerendje stof inne drökink van bankbiljette van 5 euro.

Versjillige isotope van europium, worónger europium-155 zeen gooj neutronvengers en kónne daoveur waere gebroek in nucleair installaasjes.

Eigesjappe

[bewirk | brón bewèrke]

Europium is e buugzaam metaal en kwa helheid liekentj 't loead. Van alle lanthanide en actinide is europium 't reactiefste. 't Oxideertj hieël snel ane lóch, reageertj mit water op 'n meneer die me kan vergelieke mit calcium en óntbrandj spontaan bie temperature baove de 150°C.

Versjiening

[bewirk | brón bewèrke]

Door 't reaktief karakter van europium wuuertj 't noeatj es vrie element inne netuur aangetróffe. Aevel guuef 't waal väöl minerale die lieëg kóncentraasjes aan europium bevatte, wovan bastnäsiet en monaziet de bekèndjste zeen.

Spectra wiezen oet det europium ouch oppe zón en väöl anger sterre veurkump.

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Europium
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