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. It is bluish-white soft metal. Estimated Crustal Abundance: 1.5×10-1 milligrams per kilogram, Estimated Oceanic Abundance: 1.1×10-4 milligrams per liter, Number of Stable Isotopes: 3 (View all isotope data). If you have a question you can search for the answer below! Cadmium, symbol Cd, is a chemical element with the atomic number 48. Stromeyer discovered the new element, while testing zinc oxide for purity, as an impurity in zinc carbonate. Who discovered cadmium? It has a relatively low boiling point (321 degrees Celsius) when compared to other metals. Copyright © 2017. Friedrich Stromeyer discovered it when he examined zinc compounds. Interestingly, cadmium was simultaneously discovered in 1817 by German chemists Friedrich Stromeyer and Karl Samuel Leberecht Hermann. Other cadmium compounds are used in the phosphors of black and white television sets and in the blue and green phosphors in color television sets. Cadmium sulfide (CdS), another cadmium compound, is a yellow powder that is used as a pigment. 628 Hofstadter Road, Suite 6Newport News, VA 23606, Thomas Jefferson National Accelerator Facility is managed by, Jefferson Science Associates, LLC for the U.S. Department of Energy. It is a soft metal and appears as a bluish-white color. Although it was once used for stabilizing plastic and to prevent corrosion of steel, it is no longer used for many applications because of its toxicity. Interestingly, cadmium was simultaneously discovered in 1817 by German chemists Friedrich Stromeyer and Karl Samuel Leberecht Hermann. There is still some debating about who found the pure form of cadmium first, but its discovery is generally attributed to Stromeyer. Interesting facts about cadmium Answers to life's questions, Why are Whale Sharks an Endangered Species, How Many Countries Make up the Commonwealth. 5H2O), one of cadmium's compounds, is used in a device called a Weston cell, a type of battery that produces a precise voltage used to calibrate medical and laboratory equipment. It is a relatively scarce element and usually occurs as a minor component of zinc ores. When heated, Strohmeyer noticed that some samples of calamine glowed with a yellow color while other samples did not. Who discovered cadmium? Hi, I'm Tim and I want to welcome you to wanttoknowit.com. Your email address will not be published. Want to Know it? Stromeyer discovered the new element, while testing zinc oxide for purity, as an impurity in zinc carbonate. Cadmium is a chemical element. It was discovered in 1817 by two German chemists simultaneously. For questions about this page, please contact Steve Gagnon. Cadmium was discovered by Friedrich Strohmeyer in 1817 in Germany. It was discovered by Friedrich Stromeyer and Karl Samuel Leberecht Hermann. I hope you find an answer to your question, but if your don't then please send me your question via email, comment or via Google+ and I'll try and answer it. All Rights Reserved by wanttoknowit.com. Cadmium was discovered when friedrich Stromeyer(1776-1835) was examinig zinc another Element Who is the Founder of cadmium? A number of products have been recalled because of high levels of cadmium. Cadmium exposure is considered harmful to humans and can cause a variety of medical complications, including death in serious cases. Its atomic number is 48 and it is denoted by chemical symbol Cd. Although cadmium is usually produced in the process of refining zinc, it can also be produced in the refining process of both lead and copper. It is used to make NiCd rechargeable batteries. It is chemically similar to both zinc and mercury, and shares common attributes with each. Cadmium was discovered by Friedrich Strohmeyer, a German chemist, in 1817 while studying samples of calamine (ZnCO 3). The atomic weight (mass) of cadmium is 112.411 In fact, the sale and use of cadmium is heavily restricted in Europe.