It was found that the meteoric iron contained too much nickel for smelting.

It contains nickel in its +2 oxidation state.

Enzymes of some microorganisms and plants contain nickel as an active site, which makes the metal an essential nutrient for them.

The cupronickel coin contained 75% copper and 25% nickel.

It is also the only tetrapyrrole derivative found in nature to contain nickel.

Large areas of the lower valley remain contaminated by industrial spoil containing copper, lead, nickel and zinc.

The malleable parts also contained iron and nickel, the majority iron.

He accidentally discovered that the metal contained nickel.

There have been reports in the Swedish media that the euro coin will contain nickel.

The volume of coins containing nickel will fall to 8 % compared with 75 % at the moment.