Siberian Federal University 
- Issue
- Journal of Siberian Federal University. Chemistry. 2013 6 (4)
- Authors
- Kuznetsova, Svetlana A.; Kuznetsov, Boris N.; Skurydina, Evgeniya S.; Maksimov, Nikolai G.; Kalacheva, Galina S.; Ulyanova, Olga A.; Skvortsova, Galina P.
- Contact information
- Kuznetsova, Svetlana A.:Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, 50/24 Akademgorodok, Krasnoyarsk, 660036 Russia; Siberian Federal University, 79 Svobodnii, Krasnoyarsk, 660130 Russia; Kuznetsov, Boris N.:Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, 50/24 Akademgorodok, Krasnoyarsk, 660036 Russia; Siberian Federal University, 79 Svobodnii, Krasnoyarsk, 660130 Russia; Skurydina, Evgeniya S.:Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, 50/24 Akademgorodok, Krasnoyarsk, 660036 Russia; Maksimov, Nikolai G.:Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, 50/24 Akademgorodok, Krasnoyarsk, 660036 Russia; Kalacheva, Galina S.:Institute of Biophysics, Russian Academy of Sciences, 50/50 Akademgorodok, Krasnoyarsk, 660036 Russia; Ulyanova, Olga A.:Krasnoyarsk Agricultural University, 90 Mira, Krasnoyarsk, 660049 Russia; Skvortsova, Galina P.:Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, 50/24 Akademgorodok, Krasnoyarsk, 660036 Russia
- Keywords
- biocomposite fertilizers; composition; porous supports; birch bark and inner bark; urea; prolong properties; watercress
- Abstract
Composition and structure of biocompocite fertilizers on the basis of urea and birch bark were studied with the use of chemical and x-ray spectral analysis, SEM, EPR, and adsorption-desorption methods. It was found that urea is homogeneously distributed in studied supports. They also contain paramagnetic phenoxy-radicals, ions Fe3+ and Mn2+, ferromagnetic nanoparticles Fe3O4. This paramagnetic centers can participate in adsorption of urea on porous supports. Kinetic studies show that the rate of urea adsorption on porous supports from water solution exceeds significantly the rate of urea desorption from biocomposite fertilizer into solution. It was found that the strongly pronounced positive influence on the growth of watercres show biocomposite fertilizer on the basis of birch bark. All studied bicomposite fertilizers have a prolong action on the watercress growth
- Pages
- 380-393
- Paper at repository of SibFU
- https://elib.sfu-kras.ru/handle/2311/10152
Journal of Siberian Federal University. Chemistry / Synthesis and Properties of Biocomposite Fertilizers on the Basis of Urea and Birch Bark
Full text (.pdf)