2 – 3 grams distilled Europium metal crystals with shiny surface – 99.99% purity
in Ampoule under Argon
One of the least abundant and most reactive Lanthanides. Sealed in attractive ampoule under argon to prevent its desctruction by oxydation.
Solid pieces! Exposed to air this metal would decompose within minutes to build yellow Eu(II)Hydroxide!