The element europium is one of the most difficult to prepare as a stable shiny metal sample. It darkens in seconds on exposure to the air. We are therefore delighted to have found a way to manufacture these europium metal crystal samples permanently sealed under inert argon.
Distilled crystals in sealed ampoule, under argon, mounted in 7ml glass vial with element symbol, Sr, engraved on lid
size: 45mm x 20mm
sample weight: 1-1.5 grams
total weight: 10 grams
price: £75 ex. shipping