Uses of Calcium and Yttrium

Calcium

Yttrium

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Uses

It is used as a reducing agent while preparing metals like thorium and uranium. It is also used as an alloying agent for metals such as aluminum, copper & lead.
Calcium carbonate or lime stone is used in cement.

Chemical Industry

Dentistry, Pharmaceutical Industry

Alloys

Non Toxic

✔✘

60.50 Blood/mg dm-3

170,000.00 p.p.m.

Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
It is also used as a catalyst in ethene polymerisation.

Electrical Industry, Electronic Industry

Alloys

Highly Toxic

✔✘

0.00 Blood/mg dm-3

0.07 p.p.m.