鉄鋼中微量炭素の自記定量装置の試作

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タイトル別名
  • High sensitive carbon analyzer for iron and steel
  • テッコウ チュウ ビリョウ タンソ ノ ジキ テイリョウ ソウチ ノ シサク

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抄録

A new method for determination of small amounts of carbon in iron and steel has been investigated. Samples were burned in a combustion tube with open ends. Carbon dioxide formed was introduced into a thermal conductivity cell by pumping system, and its signal was recorded by a pen recorder. Because of an opening combustion system, samples could be inserted and exchanged easily and rapidly. The analysis took approximately 5 minutes and a blank value was lower than 9μg of carbon. The limit of detection in this experiment was 3μg of carbon, which was equivalent to 2ppm in a 2g sample. The proposed method is suitable for the routine determination of small amounts of carbon.

収録刊行物

  • 分析化学

    分析化学 16 (3), 243-247, 1967

    公益社団法人 日本分析化学会

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