Uses of Hafnium and Rubidium

Hafnium

Rubidium

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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.

Rubidium's main application is in the glass manufacturing.
Rubidium can very easily get ionized and hence it is used for ion engines, but it is still less efficient than that of Caesium.

Alloys, Research Purposes

Non Toxic

✔✘

2.49 Blood/mg dm-3

5.00 p.p.m.