Journal of the Spectroscopical Society of Japan
Online ISSN : 1884-6785
Print ISSN : 0038-7002
ISSN-L : 0038-7002
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Volume 13, Issue 4
Displaying 1-3 of 3 articles from this issue
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  • Quenching of the Mercury Atoms and Mercury Photosensitization
    Yuji MORI
    1965 Volume 13 Issue 4 Pages 117-124
    Published: March 31, 1965
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.5111/bunkou.13.117
    JOURNAL FREE ACCESS
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  • Electrode Erosion as a Parameter of Spark Discharge
    Hiroshi KAWAGUCHI, Tokunosuke NAKAJIMA
    1965 Volume 13 Issue 4 Pages 125-130
    Published: March 31, 1965
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.5111/bunkou.13.125
    JOURNAL FREE ACCESS
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    A neutron-activated zinc electrode is used to measure the electric erosion of electrode in a spark discharge.Vapor of the electrode material is collected in a glass capsulle and radioactivity of the condensate is measured by a well-type γ-ray spectrometer. The relation between erosion (E) and circuit parameters is found as
    E∝CBV2/3/R
    where C is the capacitance, B the number of breaks per half cycle, V the break down voltage and R the resistance.Inductance (L) scarcely influences the erosion. These results suggest that erosion is directly proportional to the average current.The latter is measured by the method developed by Schreiber and Fry with a high vol tage spark source; with a Raiskii spark source the measureme nt could not be made.
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  • A Time-Resolved Photometer
    Norihito SUZUKI
    1965 Volume 13 Issue 4 Pages 131-136
    Published: March 31, 1965
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.5111/bunkou.13.131
    JOURNAL FREE ACCESS
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    A time-resolved photometer is devised to make time-resolved measurements of low intensity spectra. The time resolution is made by applying a gate pulse on dynodes of a photomultiplier and the photocurrent of the photomultiplier is measured with an electrometer.The limit of the time resolution of this system is 2 μ sec.and excellent stability is obtained by a proper setting of the gate pulse voltage.
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