Robert Wilhelm Bunsen

Robert Wilhelm Bunsen

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: Robert Bunsen. Coloured portrait of Robert Wilhelm Bunsen (1811-99), German chemist. He & Kirchoff founded the science of spectroscopy in 1859, and invented the spectroscope for analysing the unique spectrum of light given off by each chemical element. They discovered the elements rubidium & caesium. Bunsen's experiments showed that organic groups act like the simple atoms of inorganic chemicals. In 1834 he discovered that hydrated iron oxide was the antidote to arsenic poison. He invented a photometer, a filter pump, and the zinc-carbon battery. He also popularised the Bunsen Burner which had been invented by Faraday. Engraving by C. Cook.

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Keywords: arsenic antidote, battery, bunsen, caesium, chemist, co-discoverer, co-founder, discoverer, inventor, portraits, robert w., robert wilhelm, rubidium, spectroscopy, surname b, zinc-carbon, zinc-carbon battery

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