Full access to 1m statistics Incl. Single Account. View for free. Show source. Show detailed source information? Register for free Already a member? Log in. More information. Supplementary notes. Other statistics on the topic. Profit from additional features with an Employee Account. Please create an employee account to be able to mark statistics as favorites. Then you can access your favorite statistics via the star in the header.
Profit from additional features by authenticating your Admin account. Then you will be able to mark statistics as favourites and use personal statistics alerts.
Save statistic in. XLS format. PNG format. PDF format. Show details about this statistic. Exclusive Premium functionality. Tennant usually gets the credit, though. Tennant discovered iridium by dissolving crude platinum in diluted aqua regia a mixture of nitric and hydrochloric acids , then by treating the black residue left behind in turn with alkalis and acids, according to the Royal Society of Chemistry. After this treatment, the residue separated into two new elements.
At the Royal Institution in London he announced his findings and named one element iridium and the other osmium. The name iridium comes from the Latin word iris, which means rainbow. Though the metal itself isn't rainbow colored, it is called this because of its multi-colored compounds. Because iridium is very resistant to corrosion, the standard meter bar was made of 90 percent platinum and 10 percent iridium. This bar was replaced as the definition of a meter in , though. The meter was redefined in terms of the orange-red spectral line of krypton.
However, the international prototype kilogram , which defines a kilogram, also made of a platinum and platinum-iridium alloy, is still in use around the world. Today, iridium is commercially recovered as a byproduct of copper or nickel mining. Pure iridium is so rare on the Earth's crust that there is only about 2 parts per billion located in the crust, according to Chemistry Explained. Washington Post.
Champion Auto Parts. Metals Trading. Your Privacy Rights. To change or withdraw your consent choices for Investopedia. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page. These choices will be signaled globally to our partners and will not affect browsing data.
We and our partners process data to: Actively scan device characteristics for identification. I Accept Show Purposes. Your Money. Personal Finance. Your Practice. Popular Courses. Commodities Oil Gold Metals.
Commodities Metals. Table of Contents Expand. What Is Iridium? Understanding Iridium. History of Iridium. Applications of Iridium. Iridium vs. Example of Iridium. The Bottom Line. Iridium FAQs. Key Takeaways Iridium is the second-densest known element and is highly corrosion-resistant. Most iridium is found in platinum ores. Iridium extraction occurs as a byproduct of mining other metals. Iridium has several industrial applications, such as the aircraft industry. Its price has surged in recent times due to increased demand from the tech industry.
It is believed to have arrived in the same meteor that killed the dinosaurs. Article Sources. Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts.
0コメント