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Purple of Cassius is a purple pigment formed by the reaction of gold salts with tin (II) chloride. It has been used to impart glass with a red coloration (see cranberry glass ), as well as to determine the presence of gold as a chemical test . Generally, the preparation of this material involves gold being dissolved in aqua regia, then reacted ...
Running time. 89 mins. Country. United States. Language. English. At the Heart of Gold: Inside the USA Gymnastics Scandal is a 2019 American documentary film directed by Erin Lee Carr. The film is produced by David Ulich, and Steven Ungerleider. The film is based on the USA Gymnastics sex abuse scandal.
Colored gold. Ternary plot of different colors of Ag – Au – Cu alloys. Colored gold is the name given to any gold that has been treated using techniques to change its natural color. Pure gold is slightly reddish yellow in color, [1] but colored gold can come in a variety of different colors by alloying it with different elements.
The 2015 U.S. Classic, officially the 2015 Secret U.S. Classic, is the 32nd edition of the U.S. Classic and was held on July 25, 2015 at Sears Centre Arena in Chicago. [1] The event served as a qualification event to the 2015 U.S. National Gymnastics Championships, later in August 2015. It was the second event during the 2015 USA Gymnastics ...
The World Olympic Gymnastics Academy (WOGA) is a two-facility gymnastics club located in Frisco and Plano.. In 1994, WOGA was established by Yevgeny Marchenko, a World Sports acrobatic champion who guided Carly Patterson to her gold medal, and Valeri Liukin, an Olympic winner from 1988 who later worked as coordinator for the USA Gymnastics women's national team.
2024 in artistic gymnastics. Below is a list of notable men's and women's artistic gymnastics international events scheduled to be held in 2024 as well as the medalists.
The 2018 U.S. Classic, known as the 2018 GK U.S. Classic for sponsorship reasons, is the 35th edition of the U.S. Classic gymnastics tournament. The competition was held on July 28, 2018, at the Schottenstein Center in Columbus, Ohio. [1] [2]
Note: The International Gymnastics Federation recommended to the IOC that the medals of the Chinese team be stripped, and awarded to the fourth-placed United States team, as it was revealed that Dong Fangxiao was underage (14, with age limit >16) at the time. The IOC upheld the FIG decision in April 2010.