Page 19 - Shimadzu Journal vol.4 Issue1
P. 19

Natural Gas Analysis





                                  uV(x1,000,000)
                               2.00
                                                                                      Rtx-1
                                                   C 3H 8
                               1.75
                               1.50
                               1.25

                               1.00
                               0.75                        i-C 4H 10

                               0.50
                                                             n-C 4H 10
                                                                                   n-C 5H 12
                               0.25                                        i-C 5H 12
                                          +
                                        C 6
                                 0
                                      1.0   2.0  3.0  4.0   5.0  6.0  7.0   8.0  9.0  10.0  min
                                                       Channel of FID

                                  uV(x1,000)
                                8.0                                            N 2  CH 4
                                                   Rt-Q                             Rt-MS-5A
                                7.0
                                                                                    CO
                                6.0

                                5.0
                                4.0
                                3.0

                                2.0
                                                                             O 2
                                1.0             CO 2  C 2H 6
                                                                      H 2S
                                 0     1.0    2.0    3.0   4.0    5.0   6.0    7.0   8.0   min
                                                      Channel of TCD1


                                  uV(x1,000)
                                                                              MS-13X packed
                               4.0
                               3.5
                                                              H 2
                               3.0
                               2.5

                               2.0
                                                         He
                               1.5
                               1.0

                               0.5
                                 0     0.5  1.0   1.5   2.0   2.5   3.0  3.5   4.0   4.5   min

                                                      Channel of TCD2

                                                Fig. 3  Chromatogram of the Fast NGA system



                                                                                                                    19
   14   15   16   17   18   19   20   21   22   23   24