If you’re looking for the Top 10 Most Expensive Metal in The World, then you are at the right place. In this article, we will discuss the Top 10 Most Expensive Metal in The World.
There are too many metallic elements on earth. Some metals are very abundant. Of course, this value is relatively low. They are basically calculated on a value-per-ton basis. Of course, expensive metals are calculated on a per-gram basis. Let’s take a look at the top 10 most expensive metals in the world.
Top 10 Most Expensive Metal in The World
Francium is said to be the last element naturally occurring in nature and the last element found in nature. Francium is expensive mainly because it is rare. Another important reason is the extremely short lifetime and half-life. Even the longest life of fr-223 is only 21.8 minutes. Scientists have calculated that even if one gram of francium is artificially synthesized, the cost will not be less than US$1 billion. As a result, it has been difficult to synthesize francium artificially, and many have put the project on hold.
Rhenium is one of the most precious metals in the world, one of the densest metals, and one of the elements with the highest melting and boiling points; it has the third-highest melting point after tungsten and carbon. Rhenium is also one of the rarest elements in the Earth’s crust, with average concentrations estimated at one part per billion. Rhenium is more difficult to obtain than diamond and therefore expensive. In addition, rhenium is used in highly efficient jet and rocket engines, making it important in military strategy. Rhenium was included in the “Top 10 Precious Metals Ranking List”.
Like gold, silver is a precious metal with a long history of application. It has a history of more than 4000 years. Due to its unique and excellent properties, silver has been endowed with a dual value of currency and decoration. Among metals, silver has the highest electrical and thermal conductivity. Therefore, with the development of science and technology, silver has been used in electronic and electrical materials, photosensitive materials, chemical materials, and other fields. Among them, “electronic and electrical materials” is the industry with the highest silver content; “silver halide photosensitive materials” is one of the fields with the highest silver content.
Osmium is the densest metal known in the world. It mainly exists in osmium-iridium ore, which can be used to make ultra-hard alloys. Osmium is an alloy of rhodium, ruthenium, iridium, or platinum. It is often used as bearings in record players, fountain pen nibs, clocks, and instruments. long-lasting. Osmium is also used as a catalyst in the industry. If a small amount of osmium is mixed with platinum, a hard and sharp osmium-platinum alloy scalpel can also be made. World-renowned osmium-producing areas include Ural, Chaco, northern Colombia, and Oregon in South America.
Gold has been a precious metal in the world since ancient times. In the world, ounces are usually used as a unit of gold. Gold is not only a special currency for reserve and investment but also an important material in jewelry, electronics, modern communications, aerospace, and other fields. The global gold market is mainly distributed in Europe, Asia, and North America. Europe is represented by the gold markets of London and Zurich; Asia is mainly represented by Hong Kong; North America is mainly represented by New York, Chicago, and Winnipeg, Canada.
Platinum is a rare element and an extremely rare precious metal that is more precious than gold. Platinum is widely distributed around the world, mainly in Canada, Peru, Russia, and South Africa. The amount of platinum that can be extracted from the ore is also very small. It takes 5 months to extract 1 ounce (28.35g) of platinum from 10 tons of platinum ore.
Ruthenium is a relatively cheap metal among the platinum group metals. It is one of the rarest metals in the earth’s crust at only one part per billion. Ruthenium has many uses. It is an essential metal element in the industrial field. It has the characteristics of “strong corrosion resistance, and can resist the corrosion of hydrochloric acid, sulfuric acid, nitric acid and aqua regia at room temperature”.
In recent years, the research on ruthenium has not stopped, and its application prospect is very broad. Ruthenium has been included in the “Top Ten Precious Metals List” and is one of the people’s favorite precious metals.
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Iridium is rare in the Earth’s crust. It is an alloy of platinum and iridium. It is a rare precious metal. Its rarity is higher than platinum. It is mainly used in the manufacture of scientific instruments, thermocouples, resistance wires, etc., and is also widely used in high-tech fields such as aerospace technology and pharmaceuticals. Iridium was selected for the “Top 10 Rare and most expensive Metal in the world List”. It is widely used in industry, medicine, and science and plays a pivotal role. For example, some long-term components of the aircraft engines we often fly in are made of iridium alloys.
Palladium has the characteristics of “short discovery time, small output, large consumption, and concentrated production areas”, which is why palladium is one of the most expensive metal in the world. Relevant data show that the reserves of palladium in the earth’s crust are only 1/6 of that of platinum, and the total annual output is less than 8% of that of gold. In addition, only a few countries in the world, such as North America, Russia, and South Africa, produce palladium.
Palladium has the characteristics of high-temperature resistance, corrosion resistance, wear resistance, good ductility, silver-white metallic luster, and never fades. It is widely used. It is an indispensable metal in industry and a key material in aerospace and other high-tech fields.
Rhodium is the most expensive metal in the world. Rhodium is the brightest metal in recent years. Rhodium is expensive because it plays an irreplaceable key role in industrial activities. It is called an “industrial vitamin”. At the same time, it is rare and its market value is rising. According to some data, rhodium production in South Africa is the highest in the world, accounting for more than 80% of global rhodium production.
Rhodium has good high-temperature strength, but somewhat poor cold plastic workability. Rhodium was discovered in 1803 by British chemist William Hyde Wollaston. He discovered rhodium shortly after palladium. The Volrath system first dissolved the crude platinum in aqua regia, then neutralized the excess acid with caustic sodium NaOH, deposited platinum-containing ammonium chloride and palladium-containing mercury cyanide from the neutralized solution, and then filtered the residue Treat with hydrochloric acid, in order to avoid excess mercury cyanide, make it dry.
The alcohol-treated residue is a deep red rhodium salt and sodium salt powder, which yields rhodium by heating the powder in a stream of hydrogen. Rhodium is obtained as a by-product of nickel production. It can also be found in platinum ore and is used as a catalyst in some platinum alloys.
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