Cerium Metal 99.9%

Cerium (2).JPG
Cerium (2).JPG

Cerium Metal 99.9%

48.50

The REEs (rare earth elements) have all one thing in common: they're so similar chemically that they're enormously challenging to separate from one another. And of course, Mother Nature has decided to lump them all together in the same ores to give us humans something fun to work on. One thing though that separates them into roughly two halves are their physical properties. From atomic number 57 lanthanum through #63 europium this group all share the trait that they are too chemically reactive to remain in their unoxidized state in open air.

Cerium, number 68, is one such fragile element. A shiny piece of this metal left outside on a sunny day will become heavily "rusted" within a few days. Just like an old iron gate, the rust will eat through until there's nothing left behind. 

Keeping it bright and free of oxides therefore requires a special environment. We provide just such an environment when we put it in a glass ampule with argon - the most unreactive element in the universe - which, luckily for us, is a quite transparent gas allowing us full view of this shy little metal piece inside!

The ampules were formed from test tubes with an internal diameter of 15mm and length is between 30-40mm

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