Nikolai Semenovich Kurnakov
Nikolaĭ Semenovich Kurnakov | |
---|---|
File:Kurnakov.jpg | |
Born | Nolinsk, Russia |
6 December 1860
Died | Script error: The function "death_date_and_age" does not exist. Barvikha, USSR |
Nationality | Russian |
Fields | Chemist |
Known for | Kurnakov test |
Wikimedia Commons has media related to Nikolai Semenovich Kurnakov. |
Nikolaĭ Semenovich Kurnakov (Russian: Никола́й Семёнович Курнако́в; 6 December 1860 – 19 March 1941) was a Russian chemist who was internationally recognized as the originator of physicochemical analysis and he was one of the principal founders of the platinum industry in the USSR. A chemical reaction that he pioneered, known as the Kurnakov test, is still used to differentiate cis from trans isomers of divalent platinum and is his best-known contribution to coordination chemistry.
Early life & career
Kurnakov was born in Nolinsk, Kirov Oblast. He attended a high school at Nizhny Novgorod and later studied at the mining institute in St. Petersburg. He published his first paper on alum crystallization and sodium thioantimoniate in 1882.[1] In the same year he graduated as a mining engineer.
During a trip to France, Germany and Austria Kurnakov studied salt manufacturing in several locations. The scientific work of this trip became his Ph.D. thesis, which he completed in 1884.
Career
He then worked for several years at the mining institute, mostly on the formation of salts and potash deposits and mining and benefication of salt and potash. In 1893, Kurnakov became professor of inorganic chemistry for his work on the reactions of cis- and trans- platinum complexes with thiourea, today known as the Kurnakov test.[2][3] In 1902 he became professor at the Saint Petersburg Polytechnic Institute, which he established together with Dmitri Mendeleev and Nikolai Aleksandrovich Menshutkin. He held the position until 1930.
In his later years, he focused his work on platinum chemistry and platinum production. He received several prizes, for example the Mendeleev Prize in 1936, the Order of the Red Banner of Labour in 1939 and the Stalin Prize in 1941. He was also awarded a Doctor honoris causa by University of Moscow in 1909. After the death of his wife in 1940 his health deteriorated and he died in a sanatorium in Barvikha on 19 March 1941.[3][4]
A mineral was named kurnakovite in his honor.[5][6]
References
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Further reading
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- Курнаков Н. С. Непрерывность химических превращений вещества // УФН. 1924. Т.4, Вып. 6. С.339–356 (Continuity of the chemical transformations of matter)
- Биография Н. С. Курнакова на сайте химфака МГУ (Scientist: Kurnakov, Nikolai Semenovich)
- Биография Н. С. Курнакова на кругосвете (Biography of N. S. Kurnakov)
- К 140-летию со дня рождения Н. С. Курнакова (To the 140 anniversary of his birth N. S. Kurnakov)
- Image of Nikolai Semenovich Kurnakov's grave
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- 1860 births
- 1941 deaths
- People from Hamburg
- Russian chemists
- Recipients of the USSR State Prize
- Full Members of the St Petersburg Academy of Sciences
- Full Members of the Russian Academy of Sciences (1917–25)
- Full Members of the USSR Academy of Sciences