METTLER TOLEDO                                                                                        BRUKER

                          Agilent 7890A GC                                                                              VARIAN Cary50

                           HAAKE PHOENIX Ⅱ                                                                          ESPEC PHH-401

                  Zwick /Roell                                                Zwick /Roell                                               Zwick /Roell

                    GDTTFERT                                                                                 Zwick /Roell Z010

                                                                                     Tinius Olsen IT 503                                     Tinius Olsen