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Abstract <p>The stability of aqueous nanosized dispersions of the <i>n</i>-alkanes C<sub>19</sub>H<sub>40</sub>, C<sub>20</sub>H<sub>42</sub>, and C<sub>21</sub>H<sub>44</sub> was studied by the optical method, by measuring the laser scattering intensity and the particle size using dynamic light scattering at different temperatures. It was experimentally shown that the dispersions of <i>n</i>-alkanes in water obtained using ultrasonic dispersion without adding surfactants are stable to multiple heating–cooling cycles, during which the <i>n</i>-alkane particles in the sample melt and crystallize.</p>

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Colloidal Stability of Nanosized Aqueous Dispersions of n-Alkanes C19H40, C20H42, and C21H44

  • 期刊论文

  • 发表日期：

    2025年9月16日

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  • V. N. Kuryakov

摘要

Abstract

The stability of aqueous nanosized dispersions of the n-alkanes C19H40, C20H42, and C21H44 was studied by the optical method, by measuring the laser scattering intensity and the particle size using dynamic light scattering at different temperatures. It was experimentally shown that the dispersions of n-alkanes in water obtained using ultrasonic dispersion without adding surfactants are stable to multiple heating–cooling cycles, during which the n-alkane particles in the sample melt and crystallize.