Lanthanum is a chemical element with the symbol La and atomic number 57. It is a rare earth metal that is classified as a “lanthanide” and is found in the periodic table.
Lanthanum is a soft, silvery-white metal that is reactive to air and water. It is malleable, ductile, and can be easily cut with a knife.
What is Lanthanum?
Lanthanum has a variety of properties that make it unique among the lanthanides. It has a high melting point, is highly corrosion-resistant, and is a good thermal and electrical conductor. Lanthanum is also one of the few lanthanides that can form an amalgam. An amalgam is a combination of elements that can be separated and remain in their original state.
Lanthanum has a variety of sources, found either in nature or through processing. It can be found in ores like monazite and bastnasite, as well as in coal and other organic materials. Lanthanum can also be produced through a process called fractional crystallization.
Lanthanum has a wide range of uses. It is used in the manufacturing of glass, ceramics, magnets, and batteries. It is also used in the production of hydrogen fuel cells, and is a component of various catalysts. In addition, lanthanum is used in the nuclear industry and for medical imaging.
Lanthanum is a rare and valuable element that has a variety of unique properties and uses. It is an important tool for modern industry and is expected to grow in popularity in the coming years.
History of Lanthanum
The earliest known records of lanthanum dates back to the 18th century, when Swedish chemist Carl Axel Arrhenius first identified the element while studying the minerals cerite and monazite. At the time, Arrhenius observed lanthanum to be a “rare earth” element, but it wasn’t until 1841 that German chemist Carl Mosander confirmed the presence of lanthanum in cerite and monazite through mineralogical analysis.
For many years, lanthanum was often grouped with other rare earth elements and was not specifically identified. It wasn’t until 1885 that German chemist Robert Bunsen and English chemist Charles James isolated lanthanum as an individual element through fractional crystallization and selective evaporation.
In the early 1900s, lanthanum started to become used in a variety of industrial applications. This was largely due to the development of an electrolytic process, called “the Kroll process”, which allowed for the separation of rare earth elements from each other.
The unique properties of lanthanum and its applications in various industries led to an increase in demand for the element in the 20th century. Some of the most popular uses of lanthanum include the production of optical lenses, neutron absorbers, and nuclear energy fuel rods.
One of the most significant developments in lanthanum technology was made in the 1950s when scientists discovered that lanthanum could be used as a catalyst for the production of gasoline. This new application of lanthanum revolutionized the fuel industry and made it possible to produce gasoline with fewer emissions.
The 21st century has seen a continued focus on the development of new applications for lanthanum. In recent years, scientists have been researching ways to use lanthanum in the production of fuel cells, batteries, and other energy storage systems. Additionally, lanthanum is becoming increasingly used in the production of optical glasses and in the manufacture of electric vehicles.
Overall, the history of lanthanum has been one of continued progress and technological advancement. With the development of new uses and applications, lanthanum has become an essential element in modern industry and is sure to continue to play an important role in the years to come.
Lanthanum in the 21st Century
Since its discovery over two centuries ago, lanthanum has come a long way in terms of its usage and application. The 21st century has seen a surge in research and development of lanthanum, resulting in a plethora of new uses and advancements. Recent innovations have opened the doors to a wide range of potential applications in the future, making lanthanum essential for industries across the globe.
One of the most notable recent innovations has been the development of highly efficient hydrogen fuel cells. The use of lanthanum in these fuel cells enables them to operate at a much higher efficiency, resulting in less waste and a greater capacity for energy storage. This technology has revolutionized the way we think about energy and is being used in many industries, from transportation to space exploration.
Lanthanum has also seen tremendous growth in its applications in the medical sector. It is being used in CT scans and X-rays to provide much higher resolution images than before. Lanthanum is also used in the production of medical implants, such as artificial joints, prosthetics, and heart valves. The widespread use of lanthanum in the medical industry has made it an essential material for modern healthcare.
In addition, lanthanum is being used in the production of advanced materials for the aerospace and automotive industries. The material is incredibly strong and light, making it an ideal choice for the construction of aircraft and vehicles. Lanthanum is also being used in the production of batteries, helping to make them smaller and more efficient than ever before.
The use of lanthanum in the production of renewable energy sources has also seen tremendous growth in recent years. Solar energy, for instance, is becoming increasingly popular, and lanthanum is essential for the production of photovoltaic cells, which convert sunlight into electricity. Additionally, lanthanum is being used in the production of wind turbines, making them more efficient and cost-effective.
Finally, lanthanum has also seen extensive use in the production of consumer electronics. It is an essential material for the production of LED screens, helping to reduce energy consumption and extend the life of devices. Furthermore, it is also used in the production of modern smartphone cameras, enabling them to capture higher resolution images than ever before.
Lanthanum has seen an enormous level of growth in the 21st century, with its applications stretching far and wide. Whether it's in the production of hydrogen fuel cells or medical implants, lanthanum is essential for powering modern industries. As research and development continues, we can expect to see even more applications for lanthanum in the future.
Lanthanum Production
The mining of lanthanum is an arduous process that can take years to perfect. As is the case with all rare earth minerals, lanthanum is often found paired with other elements, making it difficult to isolate. Nonetheless, thanks to modern mining techniques, lanthanum is now relatively easy to mine and process.
The first stage of lanthanum production is mining. This involves the excavation of lanthanum-rich ore from the earth. Depending on the extraction site, this process can be as simple as digging a shallow tunnel or as complex as using an extensive system of underground shafts. After the ore has been excavated, it is taken to a nearby processing facility to be refined.
The next stage of the production process is purification and refining. Here, the ore is heated to extremely high temperatures, allowing the lanthanum to separate from other elements. This step is essential for producing a pure form of lanthanum for use in industrial applications.
The final stage of production is processing. In this step, the purified lanthanum is shaped and formed into usable products. This can involve anything from pressing and molding the metal into strips and bars to grinding it into a fine powder. Depending on the intended application, this step can take anywhere from a few hours to several days to complete.
The production of lanthanum is not only an important process for obtaining the mineral, but it is also essential for keeping lanthanum prices in check. By producing large quantities of lanthanum, companies are often able to limit the cost of the mineral and make it more accessible for commercial and industrial use.
Finally, lanthanum production is also important for ensuring the sustainability of the mineral. By creating a steady supply of lanthanum, companies can ensure that there is a consistent supply of the mineral for years to come. This not only helps to protect the environment, but it also helps to keep the cost of lanthanum stable over time.
Lanthanum Prices
Understanding the current and future prices of lanthanum is essential for industries that rely on the rare earth element. As such, the Lanthanum market has seen significant fluctuation over the years. To gain a better understanding of the prices of Lanthanum, let’s take a look at the current market trends, the factors influencing prices, and analyze the long-term price data.
Current Market Trends
When it comes to the Lanthanum market, the primary factor driving prices are the global supply and demand. In recent years, demand for Lanthanum has seen a steady increase due to its increasing uses in the 21st century. As a result, the price for Lanthanum has risen sharply. This trend is expected to continue in the near future given the current demand.
Factors Influencing Prices
Given the current market trends, the price of Lanthanum is highly dependent on the global supply and demand. The global supply is influenced by the mining processes, purification and refining, and processing techniques. In addition, the prices are affected by the cost of production, transportation, and storage. Other factors such as geopolitical tensions, environmental regulations, and consumer confidence can also have a significant impact on the Lanthanum market.
Analyzing Long-Term Price Data
When analyzing the long-term price data of Lanthanum, it can be seen that prices have been steadily increasing since the early 2000s. This is primarily due to the increasing demand for the rare earth element. In addition, the limited availability of Lanthanum has also contributed to the rising prices. However, the global supply has been increasing in recent years, which has helped to stabilize the prices.
Lanthanum Market Analysis
The global lanthanum market has experienced tremendous growth over the past decade, mainly due to its widespread applications in various industries. Lanthanum is a rare earth element, so its availability is limited; however, its price is expected to remain stable in the coming years. In this section, we will explore the current global lanthanum supply, major producers, and the companies that play a role in the lanthanum industry.
In terms of global lanthanum supply, China is the largest producer of the element, accounting for around 80% of the global supply. Other major producers include the United States, Russia, India, and Japan. China is currently the largest supplier of lanthanum to the European Union and the United States, and the country is well positioned to continue to dominate the lanthanum market.
There are several major companies that play a role in the lanthanum industry, including Sumitomo Metal Mining Co., Ltd., and Dowa Mining Co., Ltd., both of which are based in Japan. These companies are involved in the production, refining, and distribution of lanthanum, and they are key players in the global lanthanum market.
In addition to these major companies, there are also several smaller companies that are involved in the production and sale of lanthanum, including Baotou Rare Earth Hi-Tech Co., Ltd., and Inner Mongolia Baotou Steel Rare Earth Hi-Tech Co., Ltd., both of which are based in China. These companies are involved in the production of high-purity lanthanum oxides and other rare earth elements, and they are important contributors to the global lanthanum supply.
Finally, there are also several companies that are involved in the development of lanthanum-based products and technologies. These companies include the American firm, American Elements, which develops lanthanum-based products such as lanthanum oxide powder and lanthanum chloride solution. The company also provides support to customers who are looking to develop lanthanum-based products and technologies.
The lanthanum market is expected to remain stable in the coming years, as the demand for the element is expected to remain high. The global supply is expected to remain relatively stable, and the prices of lanthanum are expected to remain relatively stable as well. However, there could be fluctuations in the prices, depending on the demand and supply balance of the market.
Facts
Lanthanum is a chemical element with the symbol La
Its atomic number is 57.
It is a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air
Lanthanum was first found by the Swedish chemist Carl Gustaf Mosander in 1839
Lanthanum is the first element and prototype of the lanthanide series
Lanthanum is traditionally counted among the rare earth elements.
Naturally occurring lanthanum is made up of two isotopes, the stable 139La and 138La
139La is by far the most abundant, making up 99.910% of natural lanthanum
Lanthanum is the third-most abundant of all the lanthanides, making up 39 mg/kg of the Earth's crust
It is highly malleable and can easily be cut with a knife.
The name comes from the Greek word ‘lanthano’ meaning to be hidden.
Lanthanum and its compounds are considered to be moderately toxic.
Lanthanum is used in large quantities in nickel metal hydride (NiMH) rechargeable batteries
A Toyota Prius battery requires about 10 kg of lanthanum
High quality camera and telescope lenses contain lanthanum oxide
As an additive, small amounts of lanthanum are used to produce nodular cast iron.
Mischmetal, used in lighter flints, contains 25% to 45% lanthanum
Data
Lanthanum | ||||||||||||||||||||||||||||
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Pronunciation | LAN-thə-nəm | |||||||||||||||||||||||||||
Appearance | silvery white | |||||||||||||||||||||||||||
Standard atomic weight Ar°(La) | ||||||||||||||||||||||||||||
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Lanthanum in the periodic table | ||||||||||||||||||||||||||||
Atomic number (Z) | 57 | |||||||||||||||||||||||||||
Group | f-block groups (no number) | |||||||||||||||||||||||||||
Period | period 6 | |||||||||||||||||||||||||||
Block | f-block | |||||||||||||||||||||||||||
Electron configuration | [Xe] 5d1 6s2 | |||||||||||||||||||||||||||
Electrons per shell | 2, 8, 18, 18, 9, 2 | |||||||||||||||||||||||||||
Physical properties | ||||||||||||||||||||||||||||
Phase at STP | solid | |||||||||||||||||||||||||||
Melting point | 1193 K (920 °C, 1688 °F) | |||||||||||||||||||||||||||
Boiling point | 3737 K (3464 °C, 6267 °F) | |||||||||||||||||||||||||||
Density (near r.t.) | 6.162 g/cm3 | |||||||||||||||||||||||||||
when liquid (at m.p.) | 5.94 g/cm3 | |||||||||||||||||||||||||||
Heat of fusion | 6.20 kJ/mol | |||||||||||||||||||||||||||
Heat of vaporization | 400 kJ/mol | |||||||||||||||||||||||||||
Molar heat capacity | 27.11 J/(mol·K) | |||||||||||||||||||||||||||
Vapor pressure (extrapolated)
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Atomic properties | ||||||||||||||||||||||||||||
Oxidation states | 0, +1, +2, +3 (a strongly basic oxide) | |||||||||||||||||||||||||||
Electronegativity | Pauling scale: 1.10 | |||||||||||||||||||||||||||
Ionization energies |
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Atomic radius | empirical: 187 pm | |||||||||||||||||||||||||||
Covalent radius | 207±8 pm | |||||||||||||||||||||||||||
Other properties | ||||||||||||||||||||||||||||
Natural occurrence | primordial | |||||||||||||||||||||||||||
Crystal structure | double hexagonal close-packed (dhcp) | |||||||||||||||||||||||||||
Speed of sound thin rod | 2475 m/s (at 20 °C) | |||||||||||||||||||||||||||
Thermal expansion | α, poly: 12.1 µm/(m⋅K) (at r.t.) | |||||||||||||||||||||||||||
Thermal conductivity | 13.4 W/(m⋅K) | |||||||||||||||||||||||||||
Electrical resistivity | α, poly: 615 nΩ⋅m (at r.t.) | |||||||||||||||||||||||||||
Magnetic ordering | paramagnetic[4] | |||||||||||||||||||||||||||
Molar magnetic susceptibility | +118.0×10−6 cm3/mol (298 K) | |||||||||||||||||||||||||||
Young's modulus | α form: 36.6 GPa | |||||||||||||||||||||||||||
Shear modulus | α form: 14.3 GPa | |||||||||||||||||||||||||||
Bulk modulus | α form: 27.9 GPa | |||||||||||||||||||||||||||
Poisson ratio | α form: 0.280 | |||||||||||||||||||||||||||
Mohs hardness | 2.5 | |||||||||||||||||||||||||||
Vickers hardness | 360–1750 MPa | |||||||||||||||||||||||||||
Brinell hardness | 350–400 MPa | |||||||||||||||||||||||||||
CAS Number | 7439-91-0 | |||||||||||||||||||||||||||
History | ||||||||||||||||||||||||||||
Discovery | Carl Gustaf Mosander (1838) | |||||||||||||||||||||||||||
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