Page 19 - Basic Gas Chromatography
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some   major   receives   process.   intro-   by   line   and                                   J.   p.
        5                      of   In   the   the   A                                                        M.,   7.
              GSC;   two   it   snapshot   bottom).   is   B,   through   shown   the   phase,   Component   Chromatogram   Miller,   1987,   York,

              and   the   Of   a   like   to   and   carried   as   above   mobile                            From   New
              GLC   GSC.   consequently,   chromatographic   is   line   top   from   A   then   phases,   Peaks   the   phase.   Detector   §                                             Ay   process.   Inc.,

              subdivisions,   others,   and   and   used,   the   of   each   time   in   components   of   is   It   phase.   two   the   line.   the   in  component   stationary   A           chromatographic   Sons,   &   Wiley
                                                                                   <




              two   GLC        column;   (increasing   composed   zone.   mobile   between   below   the   in   flow   in   in   oi   John   Inc.
              in   widely   work.   representation   the   narrow   the   and   particular   of  mobile—phase   A   of  solute   length   bed   the   of   Sons,   &
              included   represent   more   this   Process   represent   time   sample,   a   in   by   partitions   above   a   amount   —      Concentration  of  solute   mobile  phase      —   Concentration   stationary  phase   8     Le   Vv              —   of   Contrasts,   Wiley



              be   the   in   schematic   different   the   column   right)   of   the   Direction       .   Fraction   representation   and   John
              can   columns   far   by   attention   lines   to   left   peaks   amount   line   B   A         Concepts   of

              GC   of   capillary   is   Chromatographic   a   is   horizontal   a   at   snapshot,   the   (from   component   or   the   the   below   ned       o   Schematic   courtesy
                                                            yeu!
       Definitions   forms   all   the   of   GLC   types,   greater   the   The   1.3  Figure   The   process   the   first   the   onto   duced   column   Each   distributions   represent   peaks   owt,  —>   1.3.   Fig.   Chromatography:   Reproduced












      Introduction              SEC   IEC   IC   methods.   Applied   and  of  Pure   method  separa-   of   distributed   two  between   (the  other   the   while   chromatography   a   is   passed   or  through   a   as  system   the   into   according   the   to   chromatography   the  (GC),   phase  mobile   the   stationary  of  the   state   technique   gas-   called   is   gas-liquid  chromatog-   that  requires  system   the   with   metal












             Chromotography      Liquid      BPC  LSC   of  chromatographic   International  Union  “Chromatography  physical   a   is   are  separated   be   phase)  (stationary   direction.  Elution   phase  continuously   is   fed   is  sample   the   processes  named   are   gas   in   Thus,   chromatography   (LC)   according   the   to   a   GC   the   solid,   liquid,   a   is   it   if   the   phase  mobile   accomplished   is   this   colu






             Column   Gas       OT     PLOT  WCOT |   SCOT   Classification   1.2.   definitions   of  the   are:   to  components   is  which  stationary   moves  definite   a   in   mobile   the   chromatographic   and   bed   chromatographic   phase.  mobile   the   and   gas,   liquid   in   subclassification   made   is   is  phase  stationary   (GSC),   and   for   gas   a   of   use   and  leak-free,   the   as  column.   the  name   to   te







                                Packed

                                       GSC   GLC   Fig.   “official”   The   Chemistry  (IUPAC)   which   in   the   of   one   phase)   procedure   which   in   the   [10].   slug”   various   The   of   state   a   is   phase   A  liquid.   the   If   chromatography   (GLC).   Obviously,   the   contained   and   to  referred   common   is   it   to   these   use   OV-101*   an   Chapter   (see   complete   to   used  names   they  columns;   the

      4                                                 tion   phases,   mobile   along   finite   physical   mobile   a   is   phase.   solid   raphy   be   tube   phase,   and   about   OV-101   A   the   LC   *“   Chemical





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