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  • Nature Publishing Group  (4)
  • 1925-1929  (4)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 115 (1925), S. 335-336 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is just a hundred years ago that the atomic weight of zirconium was determined by Berzelius. The method used, namely the analysis of the sulphate, yielded too low a value for the atomic weight, the same being the case in all the different methods used by his followers. This error was ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 120 (1927), S. 838-839 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE work of Aston has shown that potassium, which has an atomic weight of 39·104 (Hönigschmid), is a mixture of two isotopes. The atomic masses of these are 39 and 41, and they are present in ordinary potassium in the proportion of 20 to 1 respectively. Potassium emits a fairly penetrating ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 115 (1925), S. 674-675 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE “sagacity” with which atoms, or groups of atoms, oscillating about fixed points in the crystal lattice, refuse to exchange position with neighbouring atoms, is often regarded as one of the chief characteristics of the crystalline state. On the other hand, numerous cases are recorded in ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 124 (1929), S. 841-843 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE late H. J. 0. Moseley was convinced that his discovery of X-ray spectroscopy would prove to be of value to analytical chemistry. He had chiefly the analysis of alloys in mind, and his well-known photograph of the brass spectrum, showing the stronger copper and weaker zinc lines, can be ...
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