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    STUDIA CHEMIA - Issue no. 2 / 2006  
         
  Article:   THE USE OF ORGANODITHIOPHOSPHORIC ACIDS FOR SEPARATION AND DETERMINATION OF SOME METAL IONS FROM RESIDUAL WATERS.

Authors:  MARIA-LOREDANA SORAN, MARIA CURTUI, IOVANCA HAIDUC, DIANA GHERMAN.
 
       
         
  Abstract:  The U(VI), Cu(II) and Ni(II) separation was performed by thin layer chromatography on silica gel H, using o,m,p-xylene, methyl-ethyl-ketone (MEK) and N,N-dimethylformamide (DMF) (16: 2: 1, v/v) mixture as mobile phase. The di(n-pentyl)dithiophosphoric acid was used as complexing agent introduced in the mobile phase. This method was applied for quantitative determination of studied metal ions from waste waters.  
         
     
         
         
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