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Ueber die von den Thorverbindungen und einigen anderen Substanzen ausgehende Strahlung.

SCHMIDT, Gerhard Carl Nathaniel (1865-1949).

Published by Johann Ambrosius Barth, 1898., In: Annalen der Physik und Chemie, Neue Folge, Band 65, No. 5, 1898. Leipzig:, 1898
From Jeff Weber Rare Books, ABAA (Carlsbad, CA, U.S.A.)

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222 x 154 mm. 8vo. Pages 141-151. [Entire volume: viii, 952 pp.] 3 figs. Quarter cloth, marbled boards, gilt spine. Blind stamp of the Carnegie Institution of Washington Solar Observatory. Fine. In late 1897 or early 1898, Gerhard Schmidt "made the discovery for which he is most famous - the radioactivity of thorium. (Marie Curie soon made the same discovery independently.) Schmidt made this discovery while examining 'many elements and compounds' in an effort to determine whether any of the rays that were emitted bore a resemblance to those that Henri Becquerel had found emerging from uranium and uranium compounds. He located only one such element, thorium, and immediately conducted absorption, ionization, reflection, refraction, and polarization studies to determine the characteristics of its rays. Having combined a misinterpretation of Becquerel's with one of his own, Schmidt concluded that thorium rays most resembled Rontgen rays - a conclusion that soon required revision in view of the researches of Marie Curie and Ernest Rutherford." - DSB. References: DSB, XII, p. 191; Pais, Inward bound, p. 54; Partington, A history of chemistry, IV, p. 938; Weeks, Discovery of the elements, 5th ed., pp. 327, 486. Bookseller Inventory # S3263

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Title: Ueber die von den Thorverbindungen und ...

Publisher: Johann Ambrosius Barth, 1898., In: Annalen der Physik und Chemie, Neue Folge, Band 65, No. 5, 1898. Leipzig:

Publication Date: 1898

Binding: Hardcover

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