Uses of Lead and Promethium

Lead

Promethium

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Uses

It is also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.

Chemical Industry, Electrical Industry, Electronic Industry

Surgical Instruments Manufacturing

Alloys

Toxic

✔✘

0.21 Blood/mg dm-3

30.00 p.p.m.

It is used for research purpose. Very small amount of this metal is used in atomic batteries.

Its radioactive decay is used for a phosphor to give off light. The light emitted is converted into electricity.

Non Toxic

✔✘

0.00 Blood/mg dm-3

0.00 p.p.m.

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