Platinum (Pt), atomic number 78, is a dense, malleable, ductile, and highly unreactive silverish-white transition metal. Its name comes from the Spanish word "platina," meaning "little silver." Known for its precious metal status, platinum's unreactive nature makes it valuable in various applications.
Platinum was discovered in the Bushveld region of South Africa in 1906.
In 1924, Hans Merensky discovered the Merensky Reef in South Africa, a major source of platinum, containing about 75% of the world's known reserves.
Platinum mining operations commenced in Platinum, Alaska, in 1927.
The use of the platinum-iridium international prototype meter as the standard definition of a meter ended in 1960.
By 1975, approximately 17,000 kg of platinum had been extracted from the mine in Platinum, Alaska.
The Standard Platinum Resistance Thermometer (SPRT) became one of the defining instruments for the International Temperature Scale of 1990 (ITS-90).
In 2007, Gerhard Ertl received the Nobel Prize in Chemistry for his research on the molecular mechanisms of catalytic oxidation of carbon monoxide over platinum, which is crucial for the functioning of catalytic converters.
South Africa became the leading producer of platinum in 2010, accounting for nearly 77% of global production.
In 2014, the majority of platinum was used in vehicle emissions control devices (45%), followed by jewelry (34%), chemical production and petroleum refining (9.2%), and electrical applications (2.7%).
The definition of the kilogram was changed in May 2019, no longer being based on the international prototype kilogram, a platinum-iridium cylinder.
Africa is the second-largest and second-most populous continent home to...
South Africa officially the Republic of South Africa RSA is...
Alaska a non-contiguous U S state in northwestern North America...
Carbon monoxide CO is a colorless odorless tasteless and flammable...
1 month ago Auger-Aliassime Victorious Over Kopriva in Hamburg, Humbert to play next.
Adam Lambert is an American singer songwriter and actor who gained prominence as the runner-up on American Idol in His...
3 months ago Florida promotes AP class alternative bill and Duke Energy president makes journey.
2 months ago Warm temperatures return as wind shift causes highs back into the upper 80s.
2 months ago Sophie Cunningham and Angel Reese Feud Over Jalen Duren's Playoff Performance.
2 months ago Naomi Osaka faces Diana Shnaider in WTA Rome; predictions and odds analyzed.
Cristiano Ronaldo widely considered one of the greatest footballers captains...
Buc-ee's is an American chain of large country stores gas...
Peter Thiel is a German-American entrepreneur venture capitalist and conservative...
Barack Obama the th U S President - was the...
Sir Keir Starmer is a British politician and lawyer currently...
Neymar J nior is a Brazilian professional footballer renowned for...