Uses of Cobalt and Erbium

Cobalt

Erbium

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Uses

Its alloys with aluminum and nickel are used to make powerful magnets.
Few other alloys exhibit high-temperature strength and hence they are used in Turbines of Jet and Gas engine.

Chemical Industry, Electrical Industry, Electronic Industry

Pharmaceutical Industry

Alloys

Toxic

✔✘

0.04 Blood/mg dm-3

0.04 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.