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  GC-MS/MS Method for the Analysis of Steroids
 The Thermo Scientific PolarisQ ion trap GC/MS is used in MS/MS mode to provide very selective scanning for the detection of trace levels of steroids in urine.
 The development of an MS/MS method for a list of target compounds can be divided into six steps:

• Step 1: Specifying segment breaks

• Step 2: Selecting the precursor ion

• Step 3: Setting the Q value

• Step 4: Examining isolation efficiency

• Step 5: Optimizing Collision Induced Dissociation (CID) voltage

• Step 6: Defining product scan range

These steps are outlined in this application, with the use of the PolarisQ ion trap GC/MSn and HighChem Mass FrontierTM 4.0, a software package for the management, evaluation and  interpretation of mass spectra.

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   Products used for this Application
  Product #   Product Name   Image  
 IQLAAEGABOFAGUMZZZ  Mass Frontierâ„¢ Spectral Interpretation Software      Select
 IQLAAAGAAIFAEKMAKN  PolarisQ Ion Trap GC/MSn      Select