Nickel is the only element of the name of the devil. The name comes from the German word Kupfernickel, which means "Old Nick Copper," a term used by German miners. They tried to remove copper from a mineral like copper, but failed. Instead of copper, which has milk, a mass of matter terrestrial unnecessary. The miners believe that the devil ("Old Nick") playing a joke on them. They called counterfeiting copper copper ore Old Nick. Since then, nickel has become a precious metal. It is a most common use is the production of stainless steel, a material strong enough does not oxidize easily and is used in hundreds of industrial and consumer applications. Nickel is also used in the manufacture of many other alloys.
Nickel is considered a transition metal. Nickel is closely related with iron, cobalt, copper and zinc. These metals are close to nickel in the periodic table. The study of metals has been difficult for chemists to the top. Many metals are very similar. He also appeared very similar to another chemical. Nickel was one of the metals had been much confusion. copper miners were confused about nickel and copper, both of which occurred in minerals with a green tint. However, copper minerals reacted differently to heat than ore. This confusion has led to the choice of name for nickel. But the miners were confused cobalt too. Some minerals also seem to nickel to cobalt. But these minerals do not react chemically in the same way either. Mine owners called Cobalt "Misbehavior" of nickel-cobalt ores, which had lost its soul. "
Swedish mineralogist Axel Fredrik Cronstedt was the first person to realize that nickel is a new item. In 1751, he received a new mineral of a cobalt mine near Hälgsingland city, Sweden. While the thought of mineral Cronstedt may contain cobalt or copper, its tests produced a surprising result. I found some in the ore that has not acted as cobalt, copper, or any other element known. Cronstedt announced it had found a new element. He used an abbreviated version of Kupfernickel for the name of the new element. He called nickel.
Nickel is a silvery-white metal. It has shiny surface common to most metals and is both malleable and ductile. With the melting point of 1555 ° C (2831 ° F), boiling point about 2835 ° C (5135 ° F), and density of 8.90 grams per cubic centimeter, nickel is one of three natural elements, with the magnetic solid, the other two iron and cobalt. However, nickel is less magnetic than either iron or cobalt. Nickel is a relatively insensitive. At room temperature, combines with oxygen or water or dissolve in most acids. At higher temperatures, it becomes more active. For example, nickel burns in oxygen to form nickel oxide (NiO). It also reacts with steam to give nickel oxide and gas hydrogen. Nickel accounts for about 0.01 to 0.02 percent of the cortex. 22 is located between the chemical elements in abundance in the bark on. Nickel is considered much more abundant in the Earth's core. In fact, many experts believe the base is almost entirely composed of iron and nickel.
One argument This belief is the presence of nickel in meteorites. Meteorites are fragments of rock or metal from space that fall to the surface of the Earth. Meteorites often contain a high percentage of nickel. Nickel ores, the most common include pentlandite, pyrrhotite and garnierite. The element also appears as an impurity in minerals iron, copper, cobalt and other metals. Nickel Mine is located in USA Riddle, Oregon. In 1996, the mine produced 15 070 tonnes of nickel. Russia is the world's largest producer nickel. Other major nickel producers are Canada, New Caledonia, Australia and Indonesia. The largest nickel deposit is located in a basin Sudbury, Ontario, Canada. The deposit was discovered in 1883. It covers an area of 27 km wide and 59 km long. Some experts believe that the deposit was created when a meteorite hit the earth in the Sudbury Basin.
Here are five natural isotopes of nickel: Nickel Nickel-58-60-61, nickel and nickel Nickel-62-64. Seven of the nickel isotopes are also known. Use radioactive isotope of nickel, nickel-63 has limited the industry. This isotope has two purposes: to detect explosives, and certain types of electronic devices such as surge suppressors. A surge protector is a device that protects sensitive electronic equipment such as computers by abrupt changes in electrical current in them.
The method used to obtain nickel metal is a pure metal, art and science of metal work. Most nickel ores containing nickel sulfide (NIS). These minerals are "grilled" (Hot air). Roasted nickel sulphide is converted into nickel oxide. Nickel oxide is treated with a chemical that removes oxygen from the nickel. For example, a large amount of nickel is now recycled from scrap. Scrap comes from old cars, demolition of buildings, equipment such as washing machines and cooking, and landfills. The task of recycling the waste is to find a way to separate nickel in scrap metals. This can be done exploiting the properties Nickel Special. For example, a magnet disposed waste nickel, copper leaving behind. The nickel-cadmium batteries used in laptops.
The most important use of nickel in the manufacture of alloys. About 80 percent of all nickel products used to make alloys. Close two-thirds of that amount goes into stainless steel appliances is common (like coffee makers, toasters, pots and pans), kitchen sink and stove, and equipment Medical (X-ray machines, for example). It is also used for the manufacture of heavy machinery and large containers in which chemical reactions take out on a large scale. Artists sometimes use stainless steel sculpture, because it does not oxidize easily. Stainless steel is important for food and beverages, petroleum, chemical, pharmaceutical industries (Drugs), pulp and paper and textiles. Nickel is also used to make super alloys used in engine parts and turbine reaction gas. Superalloys are primarily comprising iron, cobalt or nickel. Also included are small amounts of other metals such as chromium, tungsten, aluminum and titanium. Superalloys are resistant to corrosion (rust) and retain their properties at high temperatures.
Nickel is also very popular in manufacturing battery. Nickel-cadmium (NiCd) and nickel metal hydride are the most popular of these batteries. They are used in a wide variety of devices including portable power tools, CD players, handheld recorders, cameras, cordless telephones and cellular radio scanner, and laptops. Nickel is also used in electroplating, a process which provides a thin layer of metal on a second metal. Nickel is used in electroplating, the process by which a thin layer of metal is placed on top of a second metal. In order to complete the first electroplating, the nickel compounds to predict dissolves in water. The solution may be of nickel chloride (NiCl2), nickel nitrate [Ni (NO3) 2], or some other nickel compounds. Second, a Galvanized sheet metal is placed in the solution. if the metal is steel, then plug in the suspended nickel chloride, nickel nitrate, nickel or other solution.
Thirdly, an electric current passes through the solution. The causes of this nickel from solution. Nickel is deposited on the surface of steel. Most of the tracks most of nickel is expected. The thickness of the nickel layer can be controlled when running the current electricity through the solution. Shells are used for the manufacture of metal products with very specific qualities. Steel is strong, but tends to corrode easily. Nickel does not corrode as fast as steel. A thin layer of nickel on top of steel protects the steel against corrosion.
Some nickel compounds have other uses. Some are used for nickel alloys. other nickel compounds are used as dyes. For example, nickel dimethylglyoxime compound (C8 H14 N4 NiO4) is used as a colorant in paints, cosmetics and certain plastics. Many other nickel compounds have been used a little more unusual. For example, dibutyldithiocarbamate nickel compounds (Ni [CS2 N (C4H4) 2] 2) is used as an antioxidant in the tires. Rubber Tire reacts with oxygen in air. When it does, the rubber becomes hard and rigid. The tires begin to decompose. An additive such as nickel can dibutyldithiocarbamate slow down this process occurs. The tire life is extended.
Nickel may pose a danger to the health of some people. The current health problem is known allergy to nickel. Some people are more likely to develop nickel allergy than others. People who are sensitive to nickel may develop a rash like poison ivy. The rash becomes itchy, watery blisters may form. Once a person becomes a nickel allergy, stayed with him forever. Since nickel is present in dozens of products, it is easy for people susceptible to developing nickel allergy. Perhaps the most common cause of nickel allergy is the body piercing. Some people have their ears pierced earrings, while others have the lips, nose, or piercings. cheap jewelry placed in these holes are often made of stainless steel. The presence of nickel in the piercing can cause a nickel allergy to develop. Nickel can cause serious health problems. For example, people exposed to vapors of nickel (dust and gas) nickel breathing on a regular basis. The long-term exposure to nickel can cause serious health problems, including cancer.
About the Author
Dr. Badruddin Khan teaches Chemistry in the University of Kashmir, Srinagar, India.
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