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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 896-896 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] KRONIG, Schaafsma and Peerlkamp1 have recently described measurements on the absorption spectrum of chromium oxychloride, which exhibits a somewhat unusual system of diffuse narrow bands in the region of 6000 A. The absorption spectrum of the closely related compound sulphuryl ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 629-629 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the course of an investigation of the kinetics of the reaction between hydrogen sulphide and oxygen at temperatures just below, and up to, that of ignition, an interesting phenomenon concerning the explosion has been observed, which, although in the light of certain recently discovered chain ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 135 (1935), S. 507-508 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN continuation of previous work1, the ultra-violet (2000–5000 A.) absorption spectra of the vapours of a series of compounds containing alkyl radicals have been measured, using absorbing columns of 5–100 cm. and pressures 0·1–15 mm., except with the more volatile compounds, when ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 937-938 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN connexion with measurements on the photo chemical decomposition of acrolein we have measured (Hilger E 315 spectrograph) its ultra-violet absorption spectrum. There are two distinct regions of absorption, one consisting of bands with no overlapping continuum, extending from c. 4000 A. to ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 514-515 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The spectrum of the toxic factor (X) is compatible with its being a derivative of an amino-acid, particularly near 6(j, and 3 pi, and with a weak band near 5 \L ; but it has two strong bands near 1,000 cm.-1 and 1,200 cmr1. It is already known2 that sulphoxides give rise to a band near 1,000 cm.-1, ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 766-766 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our results agree substantially with those of Gutowsky, although we have not observed some weak bands found by him, and the contour of some bands suggests a different frequency assignment. There is a parallel-type band at 2,925 cm.-1 with spacing of P R branch maxima close to 17 cm.-1, which agrees ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 571-571 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been generally assumed that the explanation of the diffuse absorption spectra of aldehydes and ketones in the ultra-violet is the occurrence of a process of predissociation involving the splitting of a C – H or C – C link1. Against this observation are the following ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 900-900 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM measurements on the rate of decomposition of nitrous oxide and of several aldehydes, it has recently been suggested1 that the same molecule may under different conditions of pressure decompose homogeneously in the same manner, but with different energies of activation. This ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 137 (1936), S. 870-871 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE thermal decomposition of ethylene oxide vapour was first studied by Heckert and Mack1, who showed that the process has the essential characteristics of a kinetically unimolecular reaction. In many respects, however, their data were incomplete and the interpretations suggested ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 196-197 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent communication in these columns, Daly and Sutherland1 have described a new instrument in which an infra-red spectrum is traced upon a cathode ray screen having a long persistence of glow, so that the spectrum can be measured rapidly, and, effectively, is seen over a ...
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