Spectrophotometric Study of the Reaction between Hydrazine and p. dimethylaminobenzaldehyde

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In order to realize an optical fibre chemical sensor for hydrazine in the Purex process, the reaction between hydrazine and p.dimethylaminobenzaldehyde (p.DMAB) in nitric acid medium was studied by spectropho-tometry and <SUP>1</SUP>H.NMR. The effect of temperature and acidity were determined. The equilibrium constant is of 7, 800l/mol at 15°C and decreases to 600 at 55°C. The reaction is fully reversible. In order to keep p.DMAB out of damage, the acidity working range has to be within 0.1 to 1.0 M in nitric acid medium. This reaction is suitable for the application of optical fibre chemical sensors because direct reversibility or regeneration by temperature or acidity may be possible.

収録刊行物

  • Journal of nuclear science and technology

    Journal of nuclear science and technology 33(9), p.731-735, 1996-09-25

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002075504
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4060431
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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