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  • 标题:A New Ecologically Friendly Process for the Synthesis of Selective Flotation Reagents
  • 本地全文:下载
  • 作者:Milutin M. Milosavljevic ; Aleksandar D. Marinkovic ; Slobodan D. Petrovic
  • 期刊名称:Chemical Industry and Chemical Engineering Quarterly
  • 印刷版ISSN:1451-9372
  • 出版年度:2009
  • 卷号:15
  • 期号:04
  • DOI:10.2298/CICEQ0904257M
  • 出版社:Association of the Chemical Engineers
  • 摘要:A new ecologically friendly synthesis of N-alkyl-O-ethylthioncarbamates from ethyl dixanthogenates, waste material from the xanthate production plant, and monoalkylamines has been performed in this work. Structure determination of the synthesized compounds and also corresponding intermediates has been performed by IR, 1H-NMR and MS spectrometric methods. Residual dixanthogenates and thioncarbamates in waste water have been done by the gas chromatographic method and corresponding standard curve. It was confirmed that the reaction product was not present in water, while the concentration of dixanthogenates has been determined to be under the maximum contamination limit.
  • 关键词:thioncarbamate; xantogenate; GC spectroscopy; ethyl dixanthogenate.
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