Uses of Mercury and Erbium

Mercury

Erbium

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Uses

It is a liquid metal at room temperature, but it is a toxic heavy metal and hence many uses of mercury are under review or phased out.
It is manly used as a catalysts in chemical industry.

Electrical Industry, Electronic Industry

Dentistry

Alloys, Mirror Manufacturing, Pharmaceutical Industry

Highly Toxic

✔✘

0.01 Blood/mg dm-3

0.45 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.