Journal of the Spectroscopical Society of Japan
Online ISSN : 1884-6785
Print ISSN : 0038-7002
ISSN-L : 0038-7002
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Volume 11, Issue 2
Displaying 1-3 of 3 articles from this issue
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  • Ruby Optical Maser
    Akira MISU
    1962 Volume 11 Issue 2 Pages 57-60
    Published: December 31, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.5111/bunkou.11.57
    JOURNAL FREE ACCESS
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  • On the Lines the Interfere with Mo 2775.400 Å Line on Records of Quantorecorder (GQ-220) and a Few Accompanying Phenomena in Refining Analysis
    Shizuya MAEKAWA, Takanori SUZUKI
    1962 Volume 11 Issue 2 Pages 61-65
    Published: December 31, 1962
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.5111/bunkou.11.61
    JOURNAL FREE ACCESS
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    Quantitative analysis is made on samples of molten steel, products, scraps and specimens for investigation to rationalize the work of analysis by quantorecorder with the following results.
    1.In low voltage spark excitation, Mn 2775.654Å line when Mn content is above 0.1%and Ni 2775.327Å line when Ni content is above 0.8% interfere with Mo 2775.400Å line.Correction to compensate for the errors caused by this interference becomes necessary.
    2.Al used as a deoxidizer is apt to affect the analytical values of Si, Mn, Ni, Cu, Mo and V contents.Therefore, the period in which Al killing is necessary should be avoided for sampling, or else the amount of Al used for killing should be kept below 0.3%.
    3.Standard samples of high carbon steel (carbon content>1.0%) for analyses of Si and Mn are better to be chosen from actual products.
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  • Spectrochemical Analysis by O2-DC Arc Technique
    PartI: Excitation Mechanism and Some Characteristics
    Isoo MASUDA, Yamato ONISHI
    1962 Volume 11 Issue 2 Pages 66-76
    Published: December 31, 1962
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.5111/bunkou.11.66
    JOURNAL FREE ACCESS
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    A new method by DC arc excitation in a slow oxygen stream have been developed.A sample, after it is dispersed in or mixed with pure graphite powder and loaded in the hole of graphite electrode, is-excited in 3-5A dc arc in oxygen, streaming slowly from the lower end of a quartz cylinder to upward.With this method, dissipation of the electrode and powder is quickened, CN band is much reduced and burnt residue is carried out from inside of the cylinder.Consequently, the total burning time is much shortened, the selective volatilization can be ignored and photometry in the near ultraviolet region becomes possible.However, other kinds of matrix effect are emphasized.
    In comparison with the spark method, quality of the spectra in this method is so fine that sensitivity in photometric procedure is higher than Cu-spark technique for many elements.Some characteristics of the new method are demonstrated
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