Temperature Dependence of the Crystal Growth Rate of Potassium Sulfate at Low Temperature.
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- Taguchi Yoji
- Department of Chemistry and Chemical Engineering, Faculty of Engineering, Niigata University
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- Yoshida Mika
- Department of Chemistry and Chemical Engineering, Faculty of Engineering, Niigata University
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- Kobayashi Hiroyuki
- Department of Chemistry and Chemical Engineering, Faculty of Engineering, Niigata University
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The crystal growth rates of potassium sulfate were measured in a relatively low temperature range from 0 to 35°C. The temperature dependence of the growth rate was examined because of the lack of rate data at low temperatures. A minimum growth rate was found at nearly 20°C. The reason why the growth rate increased at a low temperature of less than 20°C is that ‘fine crystals’ might already exist in a supersaturated solution of potassium sulfate before crystallization and that deposition of these fine crystals on the seed crystal surface may enhance the crystal growth rate. The existence of the fine crystals in supersaturated solution was confirmed by measuring the density and electric conductivity of the mother liquor of potassium sulfate.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 35 (11), 1038-1044, 2002
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204566096768
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- NII論文ID
- 10010469000
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DC%2BD38XptF2qs7s%3D
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 6362525
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可