Effects of Aspartic Acid on Calcite Dissolution Rate and Solubility

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著者

    • YOSHINO Toru
    • Geochemical Laboratory, Graduate School of Science, The University of Tokyo
    • KAGI Hiroyuki
    • Geochemical Laboratory, Graduate School of Science, The University of Tokyo

抄録

The dissolution rate and solubility of calcite, a polymorph of CaCO<SUB>3</SUB>, were determined in aspartic acid (Asp) solutions: Asp inhibited the surface reaction of calcite dissolution but accelerated the transport process. The crossover of these contrastive effects caused a local maximum of the dissolution rate constant and the transition of rate-determining processes. The calcite solubility increased with increasing Asp concentration, which may reflect its association with the change of the calcite surface structure derived from the addition of Asp.

収録刊行物

  • Chemistry letters  

    Chemistry letters 37(5), 508-509, 2008-05-05 

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021080244
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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