溶滓中の窒素定量法に関する二，三の実験

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タイトル別名
  • Determination of Nitrogen in Molten Slags
  • ヨウシチュウ ノ チッソ テイリョウホウ ニ カンスル ニ , サン ノ ジッケン

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抄録

The modified “Dumas-Pregel method” for the determination of total nitrogen in slags, which is a simple and rapid method compared to the ordinary one, is recommended in this paper.<BR>The nitrogen contents in the carbon-saturated synthetic slags of CaO-Al2O3, CaO-SiO2 and CaO-SiO2-Al2O3 systems were determined by the “Combustion method” and the “Kjeldahl method”<BR>The results obtained are as follows:<BR>(1) By the addition of an oxidizer to slag sample, the total nitrogen can be completely extracted regardless of the bonding states of nitrogen in slags.<BR>(2) The oxidizer consisting mainly of CuO is most suitable for the proposed method.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 34 (9), 884-887, 1970

    公益社団法人 日本金属学会

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