Page 106 - Analytical method for food addtives
P. 106

7
                                                      FID at 290 ºC
                                                              helium carrier at 4 mL/min
                                                          programmed 100–300 ºC,
                                                      0.1 µL direct injection.
                                                            injection port 290 ºC,
                                                        Oven temperature
                                                      m ×
                                                        mm, 1.5 µm)
                                                      CP-SIL 8CB (30
                                                        0.53
                                                            MeOH) was added. Mixture acidified
                            Samples manually extracted with a  5 FID at 310 ºC, Oven temp:125–315 ºC, Fused-silica capillary  ionisation energy 10 ºC/min; injection port  m × column HP-5 (30 mixture of solvents then subjected to  70 eV MS 50– 250 ºC, N 2  carrier mm, 1 µm)  0.32 continuous SPE system  m/z) m/z (105  500 1 mL/min  6 FID at 250 ºC 2 µL
                                                      Sample (1 mL) transferred to 7 mL
                                                          xybenzene (IS) dissolved in 20 %
                                                        vial. 0.5 mL 0.2 % (1,4-dihydro-
                                                              with 5 % HCl and vortexed





                            Fatty  foods  Foods  acetate  Vinegar,  pickle  condiment  liquid, soy  sauce, fish  sauce






                            GC       GC               GC
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