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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 585-585 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHILE we were attempting to photograph the spectrum of arsenic by the Paschen hollow cathode discharge in helium, plates were obtained which revealed with remarkable intensity the Lyman series of hydrogen extending down to the 15th member. The most interesting feature of the series, however, is ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 496-496 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE analysis of the spectra Se IV and Se V has been reported by us in a previous paper.1 The experimental data described there have led further to the identification of a system of energy-levels characteristic of the spectrum of doubly-ionised selenium. Combinations between the ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 123 (1929), S. 244-244 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SAWYER and Humphreys (Phy. Rev., 32, 580; 1928) have identified three triplets due to the combination of the term 4s4p3P with 4s5s3S, 4s4d3D, and 4p2 3P of the spectrum of trebly-ionised arsenic. In the course of ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 120 (1927), S. 120-120 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOLLOWING the work of one of the authors on regularities in the spark spectrum of tin (Sn III, Proc. Phy. Soc., 39, 161; 1927; and Sn IV, in the course of publication), the spectrum of the element in the singly-ionised stage (Sn II) has been investigated. According to the theory of ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 146 (1940), S. 523-523 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE identification of the structure of the spectrum of singly ionized tellurium, briefly reported by one of us previously1, has led to the following absolute values of the characteristic terms: ... The ionization potential of Te II, as determined from the largest term 5p ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 135 (1935), S. 309-309 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE spark spectrum of bromine, excited under different conditions, has been photographed over the wave-length range λ450–7000, using various instruments, and lines belonging to the doubly ionised atom have been identified. These experiments have made possible the detection of the ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 869-869 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT was reported in a previous communication l that, in the course of experiments by Dr. J. S. Badami and me on the spectrum of arsenic by the Paschen hollow cathode discharge in helium, the Lyman series of hydrogen was obtained with remarkable strength, the important feature of ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 236-236 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOLLOWING the identification of the doublet system of Se IV (reported in NATURE of Oct. 11, 1930, p. 568, and recently communicated to the Royal Society), the corresponding spectrum of tellurium, of the same chemical group, has been examined. Vacuum spark spectra of the element, taken at ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 328-328 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN the analysis of the spectrum of Se II has been completed, it is observed that the quartet ... due to the fundamental transition 4p → 5s exhibits abnormal relative intensities of its components. The intensity ratio of these lines, according to Burger and Dorgelo's rule, should be 2:4:6, ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 568-568 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE spectrum of selenium has been investigated (in Prof. Fowler's Laboratory at the Imperial College, in collaboration with Mr. J. S. Badami) from λ7000 to λ700, using different intensities of discharge, through capillary tubes containing selenium metal or the oxide. Between λ1400 and λ500 ...
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