Rhodium is a hard, shiny and silvery metal. The main use of rhodium is in catalytic converters for cars. It reduces nitrogen oxides in exhaust gases. Rhodium is also used in the chemical industry as a catalyst to make nitric acid, acetic acid and hydrogenation reactions.
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Rhodium is also used to coat optical fibers and optical mirrors, and for crucibles, thermocouple elements, and headlight reflectors. It is also used as an electrical contact material because it has low electrical resistance and is highly resistant to corrosion.
Rhodium has no known biological role. However, it is seen as a suspected carcinogen.
Rhodium is the rarest of all non-radioactive metals. It occurs in nature uncombined with other platinum metals in river sands in North and South America. Commercially, rhodium is obtained as a byproduct of copper and nickel refining. World production is approximately 30 tons per year.
Rhodium was discovered in 1803 while examining a platinum ore in England. Its name comes from the Greek word rhodon, meaning rose, as a dilute solution of rhodium salts is rose-colored.
Rhodium and palladium have similar properties and are often found in the same mineral ores.
In the tests and analyzes carried out in our organization, which has a wide range of technological equipment, trained and experienced staff and applies the most modern methods, national and international standards and legal regulations in force are complied with. Among the numerous tests carried out in this context, there are also rhodium (Rh) testing services within the framework of elemental analysis.
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