Henry Enfield Roscoe
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Roscoe, Henry Enfield

Born Jan. 7, 1833, in London; died Dec. 18, 1915, in Leatherhead, Surrey. English chemist. Member of the London Royal Society (1863).

Roscoe was a professor at Owens College in Manchester from 1857 to 1887. In 1862, together with R. Bunsen, he established the equivalence of time and intensity of illumination in photochemical processes (seeBUNSEN-ROSCOE LAW). In 1865, Roscoe demonstrated that vanadic acid anhydride has the formula V₂O₅ and not VO₂. In 1869 he obtained metallic vanadium by the action of hydrogen on vanadous chloride under heating. In 1896, together with the English chemist A. Harden, Roscoe published the diaries of J. Dalton and a history of Dal-ton’s atomic theory.

WORKS

Treatise on Chemistry, vols. 1–2. New York, 1923. (With C. Schorlemmer.)
In Russian translation:
Kratkii uchebnik mineral’noi i organicheskoi khimii. Preface by D. I. Mendeleev. St. Petersburg, 1868.

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Henry Enfield Roscoe (redirected from Henry Roscoe)

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Henry Enfield Roscoe
(redirected from Henry Roscoe)