Ion adsorption and zeta potential of hydrophobic interfaces
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913997751582720 |
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| author | Uematsu, Yuki |
| author_facet | Uematsu, Yuki |
| contents | Hydrophobic interfaces have unique physicochemical properties and are used in various chemical products such as food, cosmetics, soap, and medicine and technologies such as pan coating and ski wax. In this chapter, we describe the fundamental concept of hydrophobic interfaces and explain their ion adsorption and zeta potential by using experimental data from the literature. Thus far, these electrical properties are considered universal for solid/water, liquid/water, and gas/water interfaces; however, a careful comparison in this chapter will reveal significant differences among them. To confirm that the affinity of H$^+$ ions for all hydrophobic interfaces is stronger than that of OH$^-$ ions, more experimental data on hydrophobic liquid/water and solid/water interfaces are required. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_13737 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Ion adsorption and zeta potential of hydrophobic interfaces Uematsu, Yuki Chemical Physics Hydrophobic interfaces have unique physicochemical properties and are used in various chemical products such as food, cosmetics, soap, and medicine and technologies such as pan coating and ski wax. In this chapter, we describe the fundamental concept of hydrophobic interfaces and explain their ion adsorption and zeta potential by using experimental data from the literature. Thus far, these electrical properties are considered universal for solid/water, liquid/water, and gas/water interfaces; however, a careful comparison in this chapter will reveal significant differences among them. To confirm that the affinity of H$^+$ ions for all hydrophobic interfaces is stronger than that of OH$^-$ ions, more experimental data on hydrophobic liquid/water and solid/water interfaces are required. |
| title | Ion adsorption and zeta potential of hydrophobic interfaces |
| topic | Chemical Physics |
| url | https://arxiv.org/abs/2508.13737 |