Differences in crystal growth behaviors of boehmite particles with octanoic acid and sodium octanoate under supercritical hydrothermal conditions
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- 作者：Tatsuya Fujii ; tatsuya-fujii@aist.go.jp" class="auth_mail" title="E-mail the corresponding author ; Shin-ichiro Kawasaki ; Mitsuhiro Kanakubo
- 关键词：Supercritical ; Hydrothermal ; Boehmite ; Crystal growth ; Octanoic acid ; pH
- 刊名：The Journal of Supercritical Fluids
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：119
- 期：Complete
- 页码：81-87
- 全文大小：2743 K
文摘
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Effect of pH on octanoic acid modification is investigated.
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Adding HNO3 and NaOH instead of octanoic acid have no effect on aspect ratio.
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Adding sodium octanoate has less effect on controlling aspect ratio.
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Surface coverage by organics is higher at more acidic condition.
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Aspect ratio increases with increasing surface coverage.