Peter (Petre) Bagrationi or Pyotr Romanovich Bagration (September 12, 1818 - January 17, 1876), the son of a Russian-Georgian general, was a Russian-Georgian statesman, general and scientist who invented the first dry galvanic cell.
Biography
A descendant of the Georgian Kings, with Georgia already annexed by the Russian Empire at the death of King George XII Bagration of Georgia in 1801, (with the Russian conquest of Ossetia in 1802), succesor of King Erekle II Bagration, (Georgian: ერეკლე II) (November 7, 1720, or October 7, 1721 – January 11, 1798) reigning as the king of Kakheti from 1744 to 1762, and of Kartli and Kakheti from 1762 until 1798.
In the contemporary Persian (now Iranian) sources, Erekle II of Georgia is referred to as Erekli Khan, while Russians knew him as Irakli (Irakly). Latinized name is sometimes Heraclius. They are now the Russian Princes family Gruzinsky.
Both, his father, Roman (Revaz) Bagrationi (1778 — Tblisi, 1834), and uncle, Pyotr Bagration (Kizlar, Dagestan, 1765 — Battle of Borodino , 1812), were famous Russian Army generals.
In 1840 Bagrationi graduated from the Military Academy in(St.Petersburg, Russia). The following year he started his lifelong research at the Scientific Laboratory of Physics of the St.Petersburg Academy of Sciences (now Russian Academy of Sciences), under Prussian-Russian Academician Moritz von Jacobi, Moritz Hermann von Jacobi, Boris Semyonovich von Jacobi (Russian: Борис Семёнович (Морис-Герман) Якоби) (September 21, 1801 – March 10, 1874).
He was awarded the Prize of the Petersburg Academy of Sciences in 1850, and received the rank of Lieutenant-General in 1865.
In 1862 Bagrationi was made the Governor of Tver province, and from 1870 until his death he was the Governor-General of the Baltic governorates (Courland, Livonia and Estonia).
Bagrationi died in St.Petersburg on January 17, 1876.
Scientific work
Bagrationi created the first dry galvanic cell in 1843 and published a monograph about it in 1845. [1] In other works he examined the reactions occurring in the galvanic cell and in galvanoplastics.
In 1845 Bagrationi was sent by the Petersburg Academy of Sciences to Germany, France and England. He studied the solubility of metallic gold, silver and copper in aqueous solutions of cyanide compounds and was the first to discover the Elsner´s Equation, the stoichiometry of gold cyanidation.
In 1847 Bagrationi discovered a sorosilicate rich in rare earths which was named bagrationite in his honour, but it had already been described as allanite (or orthite).
References
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