L 77 Linnikov, O. D. Spontaneous crystallization of sodium chloride from aqueousethanol solutions. Part 2: Mechanism of aggregation and coalescence of crystals / O. D. Linnikov // Crystal Research and Technology. - 2006. - Vol. 41, № 2. - P138-144 : il. - Bibliogr. : p. 143-144 (20 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): ХЛОРИД КАЛИЯ -- КОАЛЕСЦЕНЦИЯ -- КРИСТАЛЛИЗАЦИЯ Аннотация: Published data on aggregation kinetics of sodium chloride crystals at its spontaneous crystallization from supersaturated aqueous-ethanol solutions were analysed. It was found that the crystals coalesced through contact nucleus-bridges between them according to the mechanism proposed by Polak. The kinetics of aggregation were described by the Smoluchowski equation for coagulation of colloidal particles. The kinetic coefficient of aggregation process depended on supersaturation, temperature of solution and other characteristics of the system. The specific surface energy of sodium chloride 0.95 mJ/m2 was found Полный текст |