Showing 1 - 4 results of 4 for search '"thiourea"', query time: 0.05s Refine Results
  1. 1

    Separation of silver from photographic wastes by emulsion liquid membrane system by Othman, Norasikin, Mat, Hanapi, Goto, Masahiro

    Published 2006
    “…The highest silver extraction is obtained by using 0.05 M Cyanex 302, 3% (w/v) Span 80, 4.166 Hz (250 rpm) stirring speed, 1.0 M thiourea in 1.0 M H2SO4 stripping agent, 1:5 of treat ratio, and kerosene as a diluent.…”
    Article
  2. 2

    Emulsion liquid membrane extraction of silver from photographic waste using CYANEX 302 as the mobile carrier by Othman, Norasikin, Chan, K.H., Goto, Masahiro, Mat, Hanapi

    Published 2006
    “…The highest silver extraction was obtained by using 0.05 M Cyanex 302, 3% (w/v) Span 80, 250 rpm stirring speed, 1.0 M thiourea in 1.0 M H2SO4 as stripping agent, 1:5 of treat ratio, and kerosene as the diluent.…”
    Article
  3. 3

    Emulsion liquid membrane extraction of silver from photographic waste using cyanex 302 as a mobile carrier by Othman, Norasikin, Chan, Kit Hie, Goto, Masahiro, Mat, Hanapi

    Published 2005
    “…The highest silver extraction was obtained by using 0.05 M Cyanex 302, 3 % (w/v) Span 80, 250 rpm stirring-speed, 1.0 M thiourea in 1.0 M H2SO4 as stipping agent, 1:5 of treat ratio, and kerosene as a diluent.…”
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    Conference or Workshop Item
  4. 4

    Selective emulsion liquid membrane extraction of silver from photographic waste industries by Mat, Hanapi, Othman, Norasikin, Ali, Noorhalieza

    Published 2006
    “…The optimum silver extraction was obtained by using 0.03 M Cyanex 302, 3 % (w/v) Span 80, 250 rpm stirring speed, 1.0 M thiourea in 1.0 M H2SO4 stripping agent, 1:5 of treat ratio, and kerosene as a diluents. …”
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    Monograph