Uses of Hafnium and Yttrium

Hafnium

Yttrium

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Uses

It has an ability to absorb neutrons and hence it is used to make control rods in nuclear submarines. And this metal is also used in Plasma welding torches.
It alloys with iron, titanium and niobium are very useful.

Ammunition Industry

Alloys, In Nuclear Reactors, Nuclear Research, Research Purposes

Toxic

✔✘

0.00 Blood/mg dm-3

0.00 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.