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  • 标题:THE OPTIMIZATION OF ZINC DIALKYLDI-THIOCARBAMATES SYNTHESIS AND DETERMINATION OF THEIR ANTIOXIDANT ACTIVITY
  • 本地全文:下载
  • 作者:Aleksandar D. Marinković ; Milutin Milosavljević ; Dragan Milenković
  • 期刊名称:Chemical Industry and Chemical Engineering Quarterly
  • 印刷版ISSN:1451-9372
  • 出版年度:2008
  • 卷号:14
  • 期号:04
  • 页码:251-255
  • 出版社:Association of the Chemical Engineers
  • 摘要:A two-step optimized laboratory synthetic method of zinc dialkyldithiocarbamates is presented. In the course of the first phase, a sodium salt of dialkyldithiocarbamic acid has been synthesized from the dialkylamines, carbon disulfide and sodium hydroxide. The synthesis of zinc dialkyldithiocarbamates was achieved by the precipitation from sodium dialkyldithiocarbamic acid by zinc sulfate under the optimized conditions. The synthesized products have been characterized by FTIR, 1H and 13C NMR, AAS spectroscopic methods, as well as by elemental analysis and melting points. Kinetic studies of the motor oil oxidation inhibited by synthesized compounds have been tested using a standard method.
  • 关键词:zinc dialkyldithicarbamates ; optimization ; inhibition rate constant
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