Synthesis and physico-chemical properties of nanocomposites on the base of magnetite, modified by meso-2,3-dimercaptosuccinic acid

  • D. G. Usov Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • A. L. Petranovskaya Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • M. P. Turelyk Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • O. M. Korduban Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • P. P. Gorbyk Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine

Abstract

The method of monodomain magnetite surface chemical modifying by the thiol groups has been developed and the characteristics of nanocolloid magnetic suspensions on the base of it have been researched. The presence of disulfide bonds and SH-groups on the modified surface has been proved due to physico-chemical methods (RPS and IR spectroscopy). The amount of functional SH-groups (19 μmole/m2) has been measured by the iodometric titration. By the dynamic light-scattering zeta-potential (-40.3mV) and average size (40.5 nm) of magnetic suspension particles have been measured.

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Published
2009-08-02
How to Cite
Usov, D. G., Petranovskaya, A. L., Turelyk, M. P., Korduban, O. M., & Gorbyk, P. P. (2009). Synthesis and physico-chemical properties of nanocomposites on the base of magnetite, modified by meso-2,3-dimercaptosuccinic acid. Surface, (15), 320-327. Retrieved from http://surfacezbir.com.ua/index.php/surface/article/view/354
Section
Nanomaterials and nanotechnologies