巻号一覧
11 巻, 2 号
選択された号の論文の3件中1～3を表示しています
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三須 明1962 年 11 巻 2 号 p. 57-60
発行日: 1962/12/31
公開日: 2010/06/28
ジャーナル フリーPDF形式でダウンロード (3026K) -
前川 静弥, 鈴木 孝範1962 年 11 巻 2 号 p. 61-65
発行日: 1962/12/31
公開日: 2011/02/23
ジャーナル フリー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.抄録全体を表示PDF形式でダウンロード (711K) -
第1部, 励起機構と一般的性質増田 磯雄, 大西 和1962 年 11 巻 2 号 p. 66-76
発行日: 1962/12/31
公開日: 2010/06/28
ジャーナル フリー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抄録全体を表示PDF形式でダウンロード (1711K)
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