The influence of the impregnated phase of organic molecules (gallic acid) on the degree of hydroxylation of highly dispersed silica (HDS) particles has been studied. The interaction of the impregnated phase with the surface of HDS has been investigated via measurements of changes in the IR spectral bands of silica superficial OH-groups. The monitoring of the hydrate shell structure of HDS particles during the superficial impregnation process by GA has been carried out by the layer freezing of the liquid phase with <$E nothing sup 1 roman H> NMR registration of a not frozen water signal. The organic substance layer is able to influence the interaction of dispersed particles with the aqueous medium and the interparticle coordination. The biggest change in the structure of secondary silica particles in water suspensions occurs at a concentration of the impregnated phase of 7 wt. %.

• Туров Володимир Всеволодович (1951–) (хімічні науки)
• Туров Владислав В'ячеславович (економічні науки)
• Чуйко Олексій Олексійович (1930–2006) (хімічні науки)

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