Page 152 - Basic Gas Chromatography
P. 152

Analysis  Quantitative  Analysis   139      is  mixture  concentration   same   the  about   in  sample   the   to  added   is  standard   The   analyte   or  derivatization  chemical   any   to   prior   and  interest   of  analyte(s)   the   as   This  analyte.   internal  several  determined,   be   to   are  analytes   many   If  reactions.   other   curve   criteria.  preceding   the   meet   to   used   be   may  standards   calibra-   t



     Quantitative   unknown   each   of   areas   each   the  multipoint   these   that   factors   techniques   (or   not   does   require   not   are   latter   standard   The   cannot   it   and   added   is   must   I.S.   and  interest   purity   From   York,   New




     and   the   When   respective   of  mass   to   also  Note   response   for  useful   one   does   the   since   injections.   sample   standard   The   LS.   but,   of   high   unknown   method.  standard   Inc.,   Sons,

     Qualitative      analyte.   the   the   for   compared   as   precise.   relative   particularly   where   method   factors   manual   a   in   this   of   standard,   interest,   them   analytes   the   in  available       of  Concentration   internal   &   Wiley   Inc.





           each   times   value   a   calibration,   less   the   as   situations   standard   response   for   component   amount   internal   of   peaks   from   to  similar   be   using   John   Sons,   &
           for   multiplied   in   somewhat   same   are   for   internal   or   good   a   be   known   the   resolved   components   must   it       plot   Contrasts,   Wiley
           system   are   resulting   one-point   is   and   the   method.   next   the   and   The   volumes   is   it   never   A   name   near   chemically   standard,   unknown   |S   calibration   and   John


           data   factors   a   before,   not   are   and   reproducible,   often.   sample   hence,   can   peaks.   the   elute   well   be   be   sample   Area   Area   of   Concepts   of  courtesy

           the   unknown   is   normalization   Standard   method   should   should   any   any            Example
           in   these   procedure   factors   method   too   recalibrate   consistent   method;   this   sample   sample—hence   criteria:   It   must   It   It   with   Like   Chromatography:

     138   stored   run,   the   in   described   tion   area   Internal   This   not   the   for   any   eral   *   «   *   *   8.7.   Fig.   Reproduced
                                  ,
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