very advantage for back-extraction than static one. From
4. Conclusion
the relation between temperature and extraction equilib-
Extraction characteristics of Ga and Zn on extract-
rium time, it was found that diffusion of Ga ion into ant resin-HCl solution system were found resolved un-surface and interior of resin granule was carried out.
der static and dynamic condition. While concentration
Extraction rate constant was 0.23cm-1 at 289K. On ex-of Ga ion on 6mol·L-1 HCl solution was more than
tractant polymer resin column, extraction process of
300mg·L-1, Ga extraction could be achieved equilibrium
67Ga was assumed to be simultaneous process of film
and Ga saturated extraction capacity of dry extractant diffusion and gel diffusion. Activation energy of extrac-resin was 29.02mg·g-1. Distribution coefficients under
tion reaction on the column was E*=14.92kJ/mol.
the dynamic condition were higher than ones under the
References:
1. Yamamoto, M., Komura, K., Sakanoue, M. A simple sequential separation method of Pu and Am by anion exchange and extraction chromatography. Radiochimica Acta, 29: 205 (1981).
2. Baker, J.D., Gehrke, R.J., Greenwood, R.C., Meikrantz, D. H. Rapid separation of individual rare earth elements from fission products. Radiochimica Acta, 28: 51 (1981).
3. Horwitz, E.P., Chiarizia, R., Dietz, M.L., Diamond, H., and Nelson, D.M., Separation and preconcentra tion of ac-tinides from acidic media by extraction chromatography. Anal. Chim. Acta, 281: 361 (1993).
4. Serranog, J., Kimura, T. Extraction chromatography in the TBP-HNO3 system III. Application of the TBP/XAD-4
column for analytical separation of uranium, neptunium, plutonium and americium. Radioanal. Nucl. Chem., 172: 97 (1993).
49
Журнал «Интернаука»
№ 16 (145), часть 3, 2020 г.
ECONOMICS
THE DEVELOPMENT OF INTERNET MARKETING AND ITS IMPROVEMENT IN ENTERPRISES AND COMPANIES IN KAZAKHSTAN
Yeldos Otynbay
Master student, Kazakh University of International Relations and World Languages named after Abylai Khan,Kazakhstan, Almaty
Gulnar Berdalieva
Candidate of economic sciences
Kazakh University of International Relations and World Languages named after Abylai Khan,Kazakhstan, Almaty
In the modern world, technological processes are
promotion, product sales, and the formation and
developing rapidly, the process of disseminating infor-maintenance of customer and partner loyalty with the
mation is accelerating, new products appear on the mar-