珪素鋼中の窒化珪素定量法

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タイトル別名
  • The Determination of Silicon Nitride (Si<SUB>3</SUB>N<SUB>4</SUB>) in Silicon Steel by Electrolytic Method
  • ケイソ コウ チュウ ノ チッカ ケイソ テイリョウホウ

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抄録

The determination of silicon nitride in silicon steel has been studied.<BR>The sintered model specimen was prepared with synthetic Si3N4 and electrolytic iron in order to determine the analytical conditions.<BR>The specimen was electrolyzed in the solution of sodium citrate, potassium iodide and potassium bromide.<BR>The residue washed with alcohol and ether, was chlorinated with following conditions.<BR>(This article is not displayable. Please see full text pdf.) <BR>The residue after sublimation was treated in hydrochloric acid (6N) to remove AIN.<BR>Then the nitrogen of Si3N4 was determined with fusing distillation method using sodium hydroxide (Fig. 2).<BR>Application of this method to the determination of Si3N4 in silicon steel has been shown the more satisfactory result than of the bromine ester method.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 27 (4), 156-160, 1963

    公益社団法人 日本金属学会

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