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Visualization of pH/Ca ion concentration distribution around dissolving CaCO<sub>3</sub> in aqueous solution
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- Kawano Jun
- Hokkaido Univ.
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- Toyofuku Takashi
- JAMSTEC TUMSAT
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- Yukiko Nagai
- JAMSTEC NMNS
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- Shoichi Toh
- Fukuoka Univ.
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- Tanaka Jun-ya
- Hokkaido Univ.
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- Nagai Takaya
- Hokkaido Univ.
Bibliographic Information
- Other Title
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- 溶解するCaCO<sub>3</sub>表面近傍におけるpH/Ca濃度変化の２次元可視化
Description
To understand dissolution mechanisms of minerals, it should be important to analyze the local condition of solution just around dissolving crystals. Here we tried to visualize the local distribution of Ca2+ concentration around dissolving calcite, in addition to pH, by using fluorescent probes. When calcite dissolves in water, the concentration of Ca2+ ion just after surfaces once increases rapidly, and then decreases. By comparing with the tendency of pH distribution, the reaction of carbonate and bicarbonate ions should play a key role in the dissolution of calcite.
Journal
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- Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
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Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences 2018 (0), 98-, 2018
Japan Association of Mineralogical Sciences
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Details 詳細情報について
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- CRID
- 1390846609793430272
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- NII Article ID
- 130007786161
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed