ICIC
  Metrohm Ion Chromatography                                IC IC
                                                                        IC
     Inline sample preparation
     Inline sample preparation
                Ultra filtration
                Stop flow dialysis
                Pre concentration technique
                Matrix elimination
                Matrix neutralization
                In- line calibration
                                       
   ic_sampl_prep_26062003_e.ppt        2
                                                                 ICIC
  Metrohm Ion Chromatography                             IC IC
                                                                    IC
     Inline sample preparation
     Inline sample preparation
                Ultra filtration
                Stop flow dialysis
                Pre concentration technique
                Matrix elimination
                Matrix neutralization
                In- line calibration
                                     
   ic_sampl_prep_26062003_e.ppt      3
                                                                               ICIC
  Metrohm Ion Chromatography                                        IC IC
                                                                                  IC
      Inline sample preparation
      Inline sample preparation
      Ultrafiltration
      Ultrafiltration
  Ultrafiltration cell
  E      Mobile phase: eluent
  P1     High pressure pump
         Injection valve «A»
  C      Analytical column                                                  C
         »MSM» Suppressor
  D      Conductivity detector         2                             P1
  S      Sample
  P2     Peristaltic pump                                             E     D
  A position fill
                                             
   ic_sampl_prep_26062003_e.ppt             4
                                                                              ICIC
  Metrohm Ion Chromatography                                       IC IC
                                                                                 IC
      Inline sample preparation
      Inline sample preparation
      Ultrafiltration Cell
      Ultrafiltration Cell
  No particles on the acceptor side
  Big particles are flushed away
  and do not clog the membrane
  High flow on the sample side
  Low flow on the acceptor side
                                            
   ic_sampl_prep_26062003_e.ppt             5
                                                                               ICIC
  Metrohm Ion Chromatography                                        IC IC
                                                                                  IC
      Inline sample preparation
      Inline sample preparation
      Ultrafiltration
      Ultrafiltration
  # 1 Sample filtration
  E      Mobile phase: eluent
  P1     High pressure pump
         Injection valve «A»
  C      Analytical column                                                  C
         »MSM» Suppressor
  D      Conductivity detector         2                             P1
  S      Sample
  P2     Peristaltic pump                                             E     D
  A position fill
                                             
   ic_sampl_prep_26062003_e.ppt             6