Page 26 - Basic Gas Chromatography
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                                                                                          —

        Introduction  B  References      other   with   Support   Solid   Phase   Liquid   confirmation   of   the  usually   of  use.   ease         o.d.   1/8"   |   (a)  WCOT   or  Capillary   (b)  column  Packed   1.9.   Fig.   (b)   and  column  packed   (a)   of  representation  Schematic  column.  tubular   open   More   .  detail   ;  in  .  is  treated   type   each   and   1.9  Figure  columns  chapter—packed  separate   a   metal   were







                                                                             (6)
              along                    is   GC   and   chromatograph—carrier   system.   ones   were   and   phase   are
              below              for     capability,   data   first   liquids   silica   liquid   types   two
              listed             spectroscopy,   materials,   gas   and   the   stationary   fused   of   stationary   The   Detector   @   chromatograph.
              is              samples    resolution         column;                                               gas
              GC            samples    volatile      simple   detector,   which   made   The   wall.
              of            labile   preparative   mass   of   high   a   of   the   is   on   are            Oven   typical   a
              limitation   Chromatography   samples   usually   separation   speed,   parts   column,   chromatograph   supports   columns   dimensions.   capillary   the   (4) Injection   6)   Schematic   of
              major   Gas   thermally   large,   for   spectroscopy,   the   its   to   basic   injector,   chapter.   inert   popular   capillary   of   Control           1.8.
              This   GC.   of   of   volatile   to   for   difficult   identity   for   due   the   shows   controller,   next   of   the   with   most   surface   Flow   on   Carrier   Gas   Gas   Cylinder   Fig.
              Daltons.   disadvantages   Disadvantages   Limited   suitable   Not   Fairly   Requires   peak   summary:   of  choice   INSTRUMENTATION   1.8   flow  in   the   heart   packed   the   with  (OT)   inside   (=   ©
              1,000      *   *   °   *   In   method   -   Figure   given   The   tubes   Today,   tubes   the   Two-Stage   Regulator
         12                                            gas,   is     on
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