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Nickel's physical properties

Views: 0     Author: Site Editor     Publish Time: 2022-07-29      Origin: Site

Nickel is a hard, ductile, ferromagnetic metal that is highly polished and corrosion resistant. Nickel is an iron loving element. The earth's core is mainly composed of iron and nickel. In the crust, the nickel content of magnesian rocks is higher than that of aluminosilicate rocks. For example, the nickel content of peridotite is 1000 times that of granite, and the nickel content of gabbro is 80 times that of granite.

On October 27th, 2017, the list of carcinogens released by the international agency for research on cancer of the World Health Organization was preliminarily collated for reference. Nickel compounds were included in the list of class I carcinogens. Cobalt, nickel and alloy powders containing 66-67% nickel, 13-16% chromium and 7% iron, nickel metals and nickel alloys were included in the list of class 2B carcinogens.

A brief history of the discovery of nickel

Meteorites contain iron and nickel, which were used as superior iron in the early days. Because this metal does not rust, it nickel plating cost per kg - TIRONG TECHis regarded as silver by the indigenous peoples of Peru. An alloy containing zinc and nickel is called white copper, which was used in China in 200 BC. Some even extended to Europe.

In 1751, Alex Fredrik cronstedt, who worked in Stockholm (the capital of Sweden), studied a new metal - called Nias - from Los in helsingland, Sweden. He thought it contained copper, but what he extracted was a new metal, which he announced and named nickel in 1754. Many chemists believe that it is an alloy of cobalt, arsenic, iron and copper - these elements appear as trace pollutants. It was not until 1775 that pure nickel was made by torbern Bergman, which confirmed that it was an element.

Mineral distribution of nickel

Lateritic nickel deposits in the world are distributed in tropical countries within 30 degrees north and south of the equatorial line, and are concentrated in tropical subtropical areas around the Pacific Ocean, mainly including Cuba and Brazil in the Americas; Indonesia and Philippines in Southeast Asia; Australia, New Caledonia and Papua New Guinea in Oceania. In terms of the distribution of nickel deposits in China, they are mainly distributed in the northwest, southwest and northeast, and their retained reserves account for 76.8%, 12.1% and 4.9% of the total reserves of the country respectively. In terms of provinces (regions), Gansu has the largest reserves, accounting for 62% of the total nickel reserves in China, followed by Xinjiang (11.6%), Yunnan (8.9%), Jilin (4.4%), Hubei (3.4%) and Sichuan (3.3%). Among them, the copper nickel paragenetic deposit in Jinchang, Gansu Province has huge nickel resource reserves, second only to the Canadian Sudbury nickel mine, ranking second in the world and first in Asia.

It has good ductility and medium hardness.

Nickel is a silvery white metal with magnetism and good plasticity. It has good corrosion resistance. Nickel is silver white, hard and ductile, and has ferromagnetic metal elements. It can be highly polished and corrosion resistant. Dissolved in nitric acid, it turns green. Mainly used in alloys (such as nickel steel and nickel silver) and as catalysts (such as Lanny nickel, especially as a catalyst for hydrogenation)

Density: 8.902g/cm3

Melting point: 1453 ℃

Boiling point: 2732 ℃

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