Synergistic Action of Temperature and pH Factors in the Cleaning of Fatty Acids Soils; Analyzed by Probability Density Functional Method
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- Oya-Hasegawa Miyako
- Chiba Rosai Hospital
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- Miyamoto Karen
- Graduate School of Environment and Information Sciences, Yokohama National University
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- Oya Masaru
- Graduate School of Environment and Information Sciences, Yokohama National University
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<p>In this study, the interaction between the temperature and the pH of soil containing fatty acids with sodium dodecyl sulfate (SDS) aqueous solution was investigated to elucidate their synergistic effect in cleaning. A tergotometer was used for the cleaning test, and the cleaning results were analyzed by the probability density functional method, using the calculated parameter, µ rl , as an index of the cleaning power. The increase in µ rl by one of the factors was defined as ΔX or ΔY and the increase in µ rl by the both factors was defined as Δ(X + Y). It is assumed that there is a synergistic effect when Δ(X + Y) > ΔX + ΔY. The cleaning of fatty acid stains followed the addition rule pertaining to mechanical force and the pH effect. However, synergy was observed between the temperature and the pH effect. This was also supported by the plot of µ rl vs 1/T and observations using a phase-contrast microscope.</p>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 70 (4), 521-530, 2021
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390850501240729216
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- NII論文ID
- 130008020910
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 031358277
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- PubMed
- 33814513
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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
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可