Page 177 - Shimadu Consumables Catalog
P. 177

SH-Wax

              Polar phase: Crossbond™ polyethylene glycol                                  SH-Wax Structure
              Best polyethylene glycol (PEG) phase for alkenols, glycols, and aldehydes.
              Equivalent to USP G14, G15, G16, G20, G39 phases.
              Similar phases: DB-Wax, CP-Wax 52 CB





               ID       df      Temp. Range      15 m         20 m         30 m          50 m         60 m
                      0.10 µm   20 to 250 °C      −            −         221-76186-30     −            −
             0.25 mm  0.25 µm   20 to 250 °C      −            −         221-75893-30  221-75893-50  221-75893-60
                      0.50 µm   20 to 250 °C      −            −         221-75894-30     −        221-75894-60
                      0.25 µm   20 to 250 °C      −        221-75895-20  221-75895-30     −        221-75895-60
             0.32 mm  0.50 µm   20 to 250 °C      −            −         221-75896-30  221-75896-50  221-75896-60
                      1.00 µm  20 to 240/250 °C   −            −         221-75897-30     −        221-75897-60
                      0.25 µm   20 to 250 °C      −            −         227-36244-01     −            −
             0.53 mm  0.50 µm   20 to 250 °C      −            −         221-76188-30     −        227-36245-01
                      1.00 µm  20 to 240/250 °C  221-75899-15  −         221-75899-30     −        221-75899-60
           * Maximum temperatures listed are for shorter length columns. Longer columns may have a different maximum temperature.


           Aldehydes                                                        Peaks
                                                                          1.   ethanal
                                                                          2.   propanal
                                                                          3.   butenal
                                                                          4.   pentanal
                                                                          5.   hexanal
                                                                          6.   heptanal
                                                                          7.   octanal
                                                                          8.   nonanal
                                                                          9.   decanal
                                                                          10.   undecanal
                                                                            Conditions
                                                                          Column    :  SH-Wax, 30 m, 0.25mm ID,
                                                                                      0.50 μm (P/N: 221-75894-30)
                                                                          Sample    :  C2-C11 aldehydes mixture
                                                                                      On-column conc.: 250 ng
                                                                          Injection  :  Split (split ratio: 100:1)
                                                                          Inj. Temp   :  200 °C
                                                                          Carrier Gas   :  Hydrogen, linear velocity 35
                                                                                      cm/sec. set at 40 °C
                                                                          Oven Temp   :  40 °C (hold 5 min) to 200 °C at
                                                                                      10 °C/min
                                                                          Detector   :  FID, 200 °C





















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