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The history of the discovery of iridium

The history of the discovery of iridium

(Summary description)Iridium is so difficult to melt plastic, which greatly limits its practical application. John Isaac Hawkins invented the gold pen with an iridium nib in 1834.

The history of the discovery of iridium

(Summary description)Iridium is so difficult to melt plastic, which greatly limits its practical application. John Isaac Hawkins invented the gold pen with an iridium nib in 1834.

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Iridium is so difficult to melt plastic, which greatly limits its practical application. John Isaac Hawkins invented the gold pen with an iridium nib in 1834. In 1880, John Holland and William Loveland Dudley used phosphorus to greatly simplify the melting process of iridium and applied for a patent in the United States. The British company Johnson Matthey later stated that they had been using a similar method to melt iridium as early as 1837, and had exhibited melted iridium at several world fairs.

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In 1957, Rudolf Mössbauer discovered that atoms were capable of recoilless gamma-ray resonance emission and absorption in solid metal samples containing only Ir. The experiment he conducted was one of the iconic physics experiments of the 20th century. This phenomenon is called the Mössbauer effect (other nuclei exhibiting this effect have also been discovered one after another, such as Fe), and it is the central principle of Mössbauer spectroscopy and is widely used in physics, chemistry, biochemistry, metallurgy and mineralogy. have important applications. Just three years after the paper was published, in 1961, Mossbauer won the Nobel Prize in Physics for this discovery, at the age of 32.

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Application introduction of high purity rhenium
Application introduction of high purity rhenium
Metal rhenium and its alloys can be used to make tap water pen tips and high-temperature thermocouples, and be used as catalysts in alcohol dehydrogenation, ammonia synthesis and sulfur trioxide production from sulfur dioxide.
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Metal rhenium and its alloys can be used to make tap water pen tips and high-temperature thermocouples, and be used as catalysts in alcohol dehydrogenation, ammonia synthesis and sulfur trioxide production from sulfur dioxide.
Why is osmium so rare in the universe
Why is osmium so rare in the universe
If it's rarer than the others, it's just an accident of the special nuclear reaction needed to make one type of atom or the other.
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If it's rarer than the others, it's just an accident of the special nuclear reaction needed to make one type of atom or the other.
Uses of osmium
Uses of osmium
2022-08-09
When osmium is used as a catalyst for ammonia synthesis or hydrogenation, higher conversions can be obtained at not too high temperatures.
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When osmium is used as a catalyst for ammonia synthesis or hydrogenation, higher conversions can be obtained at not too high temperatures.
The use of ruthenium in aerospace
 The use of ruthenium in aerospace
Aerospace equipment can be at risk of corrosion, which can lead to structural integrity issues and other forms of severe damage to components.
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Aerospace equipment can be at risk of corrosion, which can lead to structural integrity issues and other forms of severe damage to components.
Uses of Ruthenium
Uses of Ruthenium
Ruthenium is a rare metal with a silver-gray lustre and is a member of the platinum group metals, which are found along with other platinum group metals in minerals such as pyrite and pyrotoxin.
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Ruthenium is a rare metal with a silver-gray lustre and is a member of the platinum group metals, which are found along with other platinum group metals in minerals such as pyrite and pyrotoxin.
The distribution of ruthenium in the world
The distribution of ruthenium in the world
Due to the special physical and chemical properties and relatively low price, the research on ruthenium will be very active, and the application prospect is very bright.
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Due to the special physical and chemical properties and relatively low price, the research on ruthenium will be very active, and the application prospect is very bright.
Application of iridium in industry and medicine
Application of iridium in industry and medicine
Most applications of iridium use its high melting point, high hardness and corrosion resistance properties. Iridium metal, as well as iridium-platinum alloys and osmium-iridium alloys,
See more information
Most applications of iridium use its high melting point, high hardness and corrosion resistance properties. Iridium metal, as well as iridium-platinum alloys and osmium-iridium alloys,
The history of the discovery of iridium
The history of the discovery of iridium
Iridium is so difficult to melt plastic, which greatly limits its practical application. John Isaac Hawkins invented the gold pen with an iridium nib in 1834.
See more information
Iridium is so difficult to melt plastic, which greatly limits its practical application. John Isaac Hawkins invented the gold pen with an iridium nib in 1834.
Analysis of the application of ruthenium element by ruthenium ingot manufacturers
Analysis of the application of ruthenium element by ruthenium ingot manufacturers
Since ruthenium is rare and difficult to isolate in pure form, it is of little use. Its main uses are as an alloy in the production of non-corrosive steel, and as an additive to jewelry metals such as platinum, palladium, and gold, making them more durable
See more information
Since ruthenium is rare and difficult to isolate in pure form, it is of little use. Its main uses are as an alloy in the production of non-corrosive steel, and as an additive to jewelry metals such as platinum, palladium, and gold, making them more durable
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