分光研究

結晶の赤外スペクトルについて

中本一男

1957 年 5 巻 3 号 p. 3-13
発行日: 1957/02/28
公開日: 2011/02/23

DOIhttps://doi.org/10.5111/bunkou.5.3_3

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Multisource発光法の検討 (第1報)

銅合金定量上の諸問題について

浜口隆信, 吉仲平

1957 年 5 巻 3 号 p. 14-22
発行日: 1957/02/28
公開日: 2011/02/23

DOIhttps://doi.org/10.5111/bunkou.5.3_14

ジャーナルフリー

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Quantometric analysis is characterized by the photoelectric photometry system and multisource unit which have made the spectrographic analysis by ordinary photographic method to be difficult for Cu-alloy of large quantity.
In case of quantitative analysis of Cu-alloy by Quantometer, authors could not discuss its analytical spectral line on account of its fixed second slit, but several discussions were made on the problems in the course of actual application. Furthermore, to study the analysis characteristics of photographic method using multisource unit, authors made the examination taking the spark line of spark stand of Quanto neter into the spectrograph of Littrow type by photographic method .
It was clarified that the multisource unit can be applied not only for Quantometer but photographic method, but in case of Cu-alloy metallurgical history and influence of third material were remarkably shown, i. e., influence of casting method and forging for Pb in case of alloys of Cu-Sn-Pb and Cu Zn-Pb system. Influence of Si content for Zn in case of alloys of Cu-Zn-Si system, etc. It is difficult to remove these influence for quantitative analysis of Cu alloy, but these can be solved by using many of standard samples.

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写眞乾板の較正における問題

1. 階段セクター法及び二段法について

酒井昭四郎, 藤代芳正

1957 年 5 巻 3 号 p. 23-32
発行日: 1957/02/28
公開日: 2010/06/28

DOIhttps://doi.org/10.5111/bunkou.5.3_23

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In quantitative spectrographic analysis, it is necessary to construct the emulsion calibration curves when the background correction is made.
In this report discussion is given of err Ts, those are non-uniformity of the slit illumination, nonuniform sensitivity on the plate and photometric error of the microphotometer, on the stepped sector method and the two step method for the emulsion calibration. The results are summarized as follows:
1. Stepped sector method will not provide the accurate emulsion calibration curves, as far as the optical alignment of the spectrograph used is not satisfactory.
2. Two-step method gives more precise calibration curves, but hos not provided self-consistent curve.

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