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Tubing made from a copper-nickel alloy is used in desalination plants.

This alloy is naturally resistant to corrosion by seawater and to biofouling. Nickel steel is used for burglar-proof vaults and armor plate.

Nickel is also used in batteries – for example Ni Cd (nickel-cadmium) and Ni-MH (nickel-metal hydride) rechargeable batteries – and in magnets.

Nickel occurs occasionally free in nature but is mainly found in ores.

Its properties, including its magnetism, led him to conclude that he had isolated a new metallic element.

Cronstedt named the new element nickel, after the kupfernickel from which he had isolated it. Cronstedt was a pupil of George Brandt, who had discovered cobalt, which sits immediately to the left of nickel in the periodic table.

Such people should avoid contact with nickel, which can be found in jewelry.

Workers who have breathed very large amounts of nickel compounds have developed chronic bronchitis and lung and nasal cancers. Characteristics: Nickel is a hard, silvery-white metal, which is malleable and ductile.

In frustration, they had named it ‘kupfernickel’ which could be translated as ‘goblin’s copper’ because clearly, from the miners’ point of view at any rate, there were goblins or little imps at work, preventing them extracting the copper.Between 17, the Swedish chemist Axel Cronstedt carried out a number of experiments to determine the true nature of kupfernickel.(We now know that kupfernickel is nickel arsenide, Ni As.) After finding that its chemical reactions were not what he would have expected from a copper compound, he heated kupfernickel with charcoal to yield a hard, white metal, whose color alone showed it could not be copper.Approximately 10 to 20 percent of people are sensitive to nickel.Repeated contact with it leads to skin complaints (dermatitis).

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