Page 59 - Basic Gas Chromatography
P. 59

45                                        in     are      (27)      pub-   thin   in   31.5%.
                                               kinetics)   molecules   diameter  Small   distances   depends   has   [5]   columns.   i.d.   in   that   transfer   only   of  C-Terms   Magnitude   11   18   30   102   Ref.  from   5.





            Phase  Liquid               the  phase.  mobile   (slow  mixing   the  because   solute   the   at   wall.   transfer   mass   is,   term   v2   rate   the  equation   radius.   Ettre   mm   0.32  typical   showing   3.3   attributable   mass   to   is   it   jam)   (5.0   Total   Cs  Relative   48   12.8   26.6   68.5   Taken  column.



           Silica   RIAA  PIRI ARONA   RRA ARRAN  RRRRNARN   in  transfer  mass   Inadequate   broadening   those   of   ahead   the  because   the   for   Cy   +   6k   11k?)   (1+   De   k?   in  C-terms   two   column   the   some   on   given   Table   in   is  C-term   films  thick   for   Transfer*   Mass   of      Relative   Importance   (%)   Cm      95.2   87.2   73.4   31.5     SE-30   i.d.   mm







           Fused  ERRATIC  ERRRRAEIIIISIR ASE  MIRA  PARADA  AR ARRAS  RISER RRS       Illustration   of   tube.   a  through   band   in   move  column   broadening   equation   +   (1   _   Cu   24   column.   the   of   of   the   thickness   and   solutes   few   a   is  calculations   total   the   of   whereas   Types   of  Importance   B   k   320   0.56   1.12   160   2.24   80   11.20   16   n-undecane   0.32   on   author.   the   of





     Theory    PERRI  ASIII         LLL   3.10.   Fig.   flow   result   can   the   of   this  minimize   small.  Golay’s   the  radius   importance  relative   film   the   on   calculations   for   his   of   95%   wm)   (Cy),  phase,   Relative   (um)   dr   0.25   0.50   1.00   5.00   for   data   permission   with


     Rate                                      non-turbulent   gas   phase   center   is   rc   summary   (0.25   mobile   3.3   Calculated   Reprinted

     The                                         the   the   in   columns   relatively   where   The   primarily   lished   A   films   the   TABLE   Column   A   B   Cc   D   *












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