GammaFlux Posted January 23, 2020 Share Posted January 23, 2020 I collect chemical elements. And recently received my sample of Cerium. It is still sealed in its vacuum plastic bag. This is my first lanthanide sample and I chose Ce because it was the cheapest I could find. Bought a 100g bar from eBay. - Can I remove it from its packaging and handle it as any other metal? - Can I keep it exposed in open air as all my other samples? (I don't care about tarnishing). Unfortunately I don't have any airtight places or mineral oil to store it 😕 Link to comment Share on other sites More sharing options...
KspThings Posted February 29, 2020 Share Posted February 29, 2020 Hello GammaFlux According to this paper https://www.sciencedirect.com/science/article/pii/S0010938X16301767, when cerium oxidate, its oxide layer cracks easily and don't protect the rest of the cerium to continue oxidating. So maybe you should find some mineral oil online or maybe try to store it in some raffined gasoline. Link to comment Share on other sites More sharing options...
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