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Spectroscope of Kirchhoff and Bunsen. The systematic attribution of spectra to chemical elements began in the 1860s with the work of German physicists Robert Bunsen and Gustav Kirchhoff, [30] who found that Fraunhofer lines correspond to emission spectral lines observed in laboratory light sources. This laid way for spectrochemical analysis in ...
Robert Wilhelm Eberhard Bunsen (German:; 30 March 1811 [a] – 16 August 1899) was a German chemist. He investigated emission spectra of heated elements, and discovered caesium (in 1860) and rubidium (in 1861) with the physicist Gustav Kirchhoff. [11] The Bunsen–Kirchhoff Award for spectroscopy is named after Bunsen and Kirchhoff.
[1] [2] He also coined the term black body in 1860. [3] Several different sets of concepts are named "Kirchhoff's laws" after him, which include Kirchhoff's circuit laws, Kirchhoff's law of thermal radiation, and Kirchhoff's law of thermochemistry. The Bunsen–Kirchhoff Award for spectroscopy is named after Kirchhoff and his colleague, Robert ...
About 45 years later, Gustav Kirchhoff and Robert Bunsen [7] noticed that several Fraunhofer lines coincide with characteristic emission lines identified in the spectra of heated chemical elements. [8] They inferred that dark lines in the solar spectrum are caused by absorption by chemical elements in the solar atmosphere. [9]
September 3–5 – Karlsruhe Congress, the first international meeting of chemists. Marcellin Berthelot rediscovers and names acetylene.; Robert Bunsen and Gustav Kirchhoff, using their newly improved spectroscope, discover and name caesium in mineral water from Bad Dürkheim, Germany.
Bunsen was recruiting countless scientists to assist in his academic research. Christomanos was involved with Bunsen and his associates. He also worked at different chemical institutions. Around this period, Kirchhoff and Bunsen invented the spectroscope. Kirchhoff used the instrument to pioneer the identification of the elements in the Sun.
Robert Wilhelm Bunsen and Gustav Robert Kirchhoff "For their researches & discoveries in spectrum analysis" [8] 1878: Louis Paul Cailletet and Raoul Pictet "For their researches, conducted independently, but contemporaneously, on the condensation of the so-called permanent gases" [9] 1879: Paul Emile Lecoq de Boisbaudran "For his discovery of ...
1860 in Canada (3 C, 5 P) 1860s in Ontario (11 C) ... History of Canada (1763–1867) Canadian Confederation; L. List of Canadian electoral districts (1867–1871)
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