Uses of Mercury and Thallium

Mercury

Thallium

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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.

Thallium is a toxic metal and hence it has limited uses. Thallium metal is mostly used for producing photoelectric cells.
In thermometer’s mercury alloy has 8% of thallium, as it has a melting point lower than 20°C.

Chemical Industry

Medical Research

Alloys

Highly Toxic

✔✘

0.00 Blood/mg dm-3

0.00 p.p.m.