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Terms  References   53         (33)   Wp   Im  JO  p   (35)   retention               L   (36)   The  3.14.   Fig.  Separation.   of  Achievement  Giddings,  from  Adapted  Dynamics   C.,   J.   of  Chromatography,  Marcel   1,   Part.   1965,  York,   New  Dekker,  of  Marcel  Courtesy   33.   p.  Dekker,   J.  Miller,  From   Inc.  Concepts  Chromatography:   M.,   John  Contrasts,   and   Inc.,  Sons,   &   Wiley   York,  New  Reproduced   5

                        (34)
    and                               the                    answer   to   chromatographic   square   retention   a   (square   compare   on   peak   lengths,   broadening   prevent   it   but   earlier

    Concepts                          is                     the   the   to   with   times   to   solute   their   passes   it   zone   and   could   presented



    Basic                             (GC)   as:   rearranging:   provides   during   the   solute   a   1.4   solute   the   of   broadens   as   this   solutes  counterproductive,   chromatography.
                                      situation   expressed   or,   also   proportional   column,   width   using   one   width   of   the   ratio   or   that  seem   by   resolution


           H=-   >     TD        k=   L   this   for   best   is   H=2   fR   time,   unit   VH tp   which   H   broadening   in   is   a,   given   peak   a   when   the   of   root   SEPARATION   spreads   might   separate   to   is   It   separations   for   4


                     2
                      oC
                                      L   GC            c=   of    a   have   length,           effective.   R=
                                     of   for      per         peak   of   expressed   on   will   Or,   square   column.   zone   It   intention   equation
                                     meaning   H   of   width)   defintion   a   extent   width,   Thus,   another   other.   the   in   only   the   be   shorter   OF   analyte   column.   our   being   achieving   simplified



                                     the   concept   (peak   gives   us   the   peak   time.   of   that   of   differ   will   the   ACHIEVEMENT   an   how   to   from   from   us   the


                            solve,   Consequently,   the   and   variance   37   about   the   retention   twice   width   the   that   column   on  width   seen   have   chromatographic   counter   chromatography   prevent   Consider   chapter:


   52                       and        time,       the   or   Equation   question   process:   the   of   time   2)   of   columns   longer   the   THE   We   the   acting   is   not   this






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