Uses of Thallium and Lanthanum

Thallium

Lanthanum

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Uses

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.

It has no commercial uses, but its alloys are in high demand. Lanthanum and Nickel alloy is used for the hydrogen gas storage.
The best-known use for mischmetal alloy of Lanthanum is; as a ‘flints’ for cigarette lighters.

Electrical Industry, Electronic Industry

Alloys, Mirror Manufacturing

Low Toxic

✔✘

0.00 Blood/mg dm-3

0.08 p.p.m.