مرور Volume 4, Issue 2 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 4 از 4
-
Enhanced photocatalytic degradation of 2,4-dichlorophenol in water solution using Sr-doped ZnAl<sub>2</sub>O<sub>4</sub> nanoparticles
(Iranian Research Organization for Science and Technology, 2018-10-01)ZnAl2O4 and Sr-doped ZnAl2O4 nanoparticles were synthesized by co-precipitation using ammonia as precipitating agent, followed by thermal treatment at 700°C. X-ray ...
-
Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>–SO<sub>3</sub>H Nanoparticles: An efficient magnetically retrievable catalyst for esterification reactions
(Iranian Research Organization for Science and Technology, 2018-10-01)In this study, magnetite nanoparticles were obtained from Fe(II) and Fe(III) salts in an alkaline medium. The nanoparticles were then protected from oxidation by a silica shell formed by the sol-gel method using tetraethoxy ...
-
Interpreting the effect of operating variable, seed, and impurity on the induction time of silver nanoparticles precipitation by cluster coagulation models
(Iranian Research Organization for Science and Technology, 2018-10-01)This paper reports the effect of temperature, presence of impurity (Fe3+), and crystal seed on the induction time of silver nanoparticles. In this study, Ag precipitation was achieved by solution reduction and ...
-
A novel application of Co<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> nanocomposite as an efficient and robust catalyst for the preparation of some imidazolone derivatives
(Iranian Research Organization for Science and Technology, 2018-10-01)In the present work, a simple, green and efficient procedure for the synthesis of imidazolone derivatives is described via the reaction of oxazolones and different arylamines in the presence of Co3O4
