Uses of Yttrium and Erbium

Yttrium

Erbium

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Uses

Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
It is also used as a catalyst in ethene polymerisation.

Electrical Industry, Electronic Industry

Alloys

Highly Toxic

✔✘

0.00 Blood/mg dm-3

0.07 p.p.m.

It has a tendency to get tarnished in the open air, but when alloyed with elements like erbium, vanadium, its hardness levels decreases.
Its compounds like Erbium oxide is used in safety glasses of welders and metal workers.

Chemical Industry

Alloys

Mildly Toxic

✔✘

0.00 Blood/mg dm-3

0.00 p.p.m.