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Coadsorption of ascorbic acid and α-tocopherol antioxidants on partially trimethylsilylated silica surface

  • Physicochemical Processes at the Interfaces
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Abstract

The interaction of hydrophilic-hydrophobic silica with α-tocopherol and ascorbic acid is investigated. Desorption of antioxidants from the silica surface into water, ethanol, and Vaseline oil is studied. Ascorbic acid and α-tocopherol are found to be adsorbed on the hydrophilic and hydrophobic parts of the silica surface, respectively. The antioxidants are shown to adsorb-desorb independently.

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Authors and Affiliations

  1. Chuiko Institute of Surface Chemistry, National Academy of Sciences of Ukraine, ul Generala Naumova 17, Kyiv, 03164, Ukraine

    I. V. Laguta, O. N. Stavinskaya, P. A. Kuzema & O. A. Kazakova

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  1. I. V. Laguta
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  2. O. N. Stavinskaya
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  3. P. A. Kuzema
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  4. O. A. Kazakova
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Correspondence to I. V. Laguta.

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Original Russian Text © I.V. Laguta, O.N. Stavinskaya, P.A. Kuzema, O.A. Kazakova, 2013, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2013, Vol. 49, No. 4, pp. 373–377.

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Laguta, I.V., Stavinskaya, O.N., Kuzema, P.A. et al. Coadsorption of ascorbic acid and α-tocopherol antioxidants on partially trimethylsilylated silica surface. Prot Met Phys Chem Surf 49, 398–401 (2013). https://doi.org/10.1134/S2070205113040096

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  • DOI: https://doi.org/10.1134/S2070205113040096

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