Page 8 - Shimadzu GC-2025
P. 8

High Performance







            In addition to its eco-friendly features, the GC-2025 inherits the                                                        High-Speed Scanning
            functionality of Shimadzu’s high-end capillary gas
            chromatograph, GC-2010 Plus, delivering superb performance                                                                Narrow-bore capillary columns reduce analysis time and improve
            for capillary analysis. GC-2025 provides high-quality analytical                                                          production capacity. With its advanced flow controller
            results and improved productivity.                                                                                        (maximum pressure: 970kPa, maximum flow rate: 1200mL/min),
                                                                                                                                      the GC-2025 is suitable for high-speed analyses using
                                                                                                                                      narrow-bore capillary columns.

                                                                                                                                      High-speed analysis of coffee flavor compounds
                                                                                                                                       Analysis time using previous Shimadzu instrument  Analysis time using a conventional model
                                                                                                                                                                                                           DB-WAX
                                                                                                                                                                                                           0.25mmʷ60m, 0.25µm
                                                                                                                                                                                                           ( He 25cm/s )

                                                                                                                                                                                                                60෼
                                                                                                                                       6                    12
                                                                                                                                                                                       Rtx-WAX
                                                                                                                                                                                       0.1mmʷ20m, 0.1µm
                                                                                                                                                                                       ( He 25cm/s )

                                                                                                                                                                                       20෼
                                                                                                                                       3 Analysis time reduced using GC-2025 5         Analysis time using the GC-2025
            High Precision
                                                                                                                                      Constant Linear Velocity Mode Reduces              Simple Operation
            The same high-accuracy AFC as used in the GC-2010 Plus and                                                                Method Development Time
            an advanced design split/splitless injection unit realize high                                                                                                               A large window display contains pertinent information and a graphical
            repeatability of retention time and peak area.                                                                            For carrier gas control, configuration with the carrier gas linear   user interface makes it possible to define analytical conditions quickly.
                                                                  1                                                                   velocity mode is recommended.                      The built-in help function makes operation easy, even for new users.
                                                                                                                                                                                         In addition, analysis conditions can be reset, enabling digital setup of all
                                                                                                                                      With this mode, you can reduce the time needed to determine
                                                                  2                                                                   analytical conditions for acquiring the best chromatographic   instrument parameters.
                                                                                                                                      separations.
                                                                  3
                                                                  4                                                                     [Analysis Conditions]  Column: DB1 30m×0.32mm i.d.df=0.25µm
                                                                                                                                      Column temperature: 60ˆ (1min)-7ˆ /min-230ˆ
                                                                                                                                      Injector temperature: 240ˆ
                                                                  5                                                                   Detector temperature: 270ˆ
                                                                                                                                      Carrier gas: Helium
                                                                                                                                      Carrier gas linear velocity: 40cm/sec, Column head pressure: 44.0kPa
                                                                      Analysis of Grob Text Mixture (Solvent: Acetone analytes 100ppm each)  Sample injection volume: 1µL (splitless analysis)
                                                                                                                                      Chromatogram comparison of constant carrier gas linear
            Reproducibility of peak area                                                                                              velocity mode with constant column flow mode
                                                                                                                                      (Pesticide analysis from a golf course)
                                  1       2       3       4       5     Average  Standard  C.V.%                                      Constant carrier gas linear velocity mode
                                                                                deviation
               n-Decane         34193   33747   33629   33576   33541   33737.1   266.5418  0.790055
               n-Octyl Alcohol  33079   32882   32727   32712   32769   32833.9   152.3486  0.463999
               n-Undecane       34664   34400   34284   34252   34257   34371.4   174.3561  0.507271
               2,6-Dimethylaniline  43906   43574   43332   43408   43434   43530.9   227.3048  0.522169
               Methyl n-Nonanoate  29858   29622   29513   29468   29510   29594.4   157.9951  0.533869
               Methyl n-Caprate  30919   30689   30605   30531   30579   30664.5   153.0667  0.499166                                 Constant column flow mode
               Dicyclohexylamine  39795   39495   39243   39279   39209   39404.2   245.2999  0.622521
               Methyl Laurate   33023   32659   32636   32596   32689   32720.7   172.2095  0.526302






                                                                                                                                                                                                                               GC-2025
      8                                                                                                                                                                                                                Energy Saving Capillary Gas Chromatograph  9
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