Spectrochemical Analysis of Impurities in Carbon and Graphite Materials:(1) Quantitative Spectrochemical Analysis of Vanadium

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概要

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• Spectrographic determination of vanadium in carbon and graphite electrodes were investigated by the D.C. continuous and the interrupted arcs excitation. This method provides for the determination of vanadium in the concentration ranges of 0.003-0.02% with acceptable precision.<BR>Standards were prepared in the form of Na<SUB>3</SUB>, VO<SUB>4</SUB> and V<SUB>2</SUB>O<SUB>5</SUB>.<BR>Intensity ratios of selected pairs of analytical lines and internal standard molybdenum (or chromium) lines versus concentration of vanadium were employed for construction of analytical curves.<BR>Some enhancement effects, affected by compositional changes of the analysis line intensity, were observed.

• 社団法人 日本分光学会の論文

著者

• 酒井 昭四郎

  東京工業試験所

• 小林 日出人

  日本カーボンKK.中央研究所

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• Spectrochemical Analysis of Impurities in Carbon and Graphite Materials:(1) Quantitative Spectrochemical Analysis of Vanadium

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